Adding IPYTHON environment variable support for launching pyspark using ipython shell
Adding IPYTHON environment variable support for launching pyspark using ipython shell

saltstar/spark,rednaxelafx/apache-spark,holdenk/spark,cloud-fan/spark,zhouyejoe/spark,tejasapatil/spark,publicRoman/spark,facaiy/spark,dhruve/spark,zzcclp/spark,xuanyuanking/spark,vinodkc/spark,saturday-shi/spark,byakuinss/spark,shubhamchopra/spark,wangmiao1981/spark,jiangxb1987/spark,Aegeaner/spark,liutang123/spark,kiszk/spark,szhem/spark,maropu/spark,witgo/spark,hhbyyh/spark,liutang123/spark,bOOm-X/spark,Aegeaner/spark,joseph-torres/spark,highfei2011/spark,kimoonkim/spark,BryanCutler/spark,lyogavin/spark,ptkool/spark,lvdongr/spark,1haodian/spark,holdenk/spark,andrewor14/spark,debugger87/spark,zero323/spark,lyogavin/spark,patrick-nicholson/spark,dotunolafunmiloye/spark,hhbyyh/spark,poffuomo/spark,actuaryzhang/spark,ueshin/apache-spark,jlopezmalla/spark,szhem/spark,dhruve/spark,publicRoman/spark,sachintyagi22/spark,techaddict/spark,andrewor14/iolap,techaddict/spark,LantaoJin/spark,saltstar/spark,xflin/spark,cloud-fan/spark,pronix/spark,cloud-fan/spark,map222/spark,vax11780/spark,bdrillard/spark,kiszk/spark,MLnick/spark,apache-spark-on-k8s/spark,markhamstra/spark,taroplus/spark,caneGuy/spark,sryza/spark,poffuomo/spark,dhruve/spark,kevinyu98/spark,vinodkc/spark,jrshust/spark,andrewor14/iolap,lxsmnv/spark,publicRoman/spark,caneGuy/spark,mdespriee/spark,szhem/spark,sryza/spark,goldmedal/spark,shubhamchopra/spark,xflin/spark,icexelloss/spark,kiszk/spark,lxsmnv/spark,michalsenkyr/spark,ConeyLiu/spark,lxsmnv/spark,patrick-nicholson/spark,SnappyDataInc/spark,wgpshashank/spark,rezasafi/spark,ahnqirage/spark,witgo/spark,zzcclp/spark,matthewfranglen/spark,mzl9039/spark,jkbradley/spark,joseph-torres/spark,milliman/spark,sachintyagi22/spark,mkolod/incubator-spark,srowen/spark,xflin/spark,aosagie/spark,ueshin/apache-spark,WeichenXu123/spark,caneGuy/spark,holdenk/spark,ibm-research-ireland/sparkoscope,cin/spark,alunarbeach/spark,xflin/spark,janewangfb/spark,LantaoJin/spark,wangyum/spark,cloudera/spark,dbtsai/spark,rikima/spark,narahari92/spark,zuotingbing/spark,zzcclp/spark,stanzhai/spark,jianran/spark,rjpower/spark,dongjoon-hyun/spark,SnappyDataInc/spark,eyalfa/spark,skonto/spark,metamx/spark,nilsgrabbert/spark,JerryLead/spark,JoshRosen/spark,ptkool/spark,kimoonkim/spark,techaddict/spark,ericvandenbergfb/spark,ConeyLiu/spark,someorz/spark,haowu80s/spark,pronix/spark,koeninger/spark,rezasafi/spark,LantaoJin/spark,andrewor14/spark,mkolod/incubator-spark,stanzhai/spark,taroplus/spark,adrian-ionescu/apache-spark,milliman/spark,zuotingbing/spark,wangmiao1981/spark,minixalpha/spark,haowu80s/spark,kissmetrics/spark,zhouyejoe/spark,1haodian/spark,JoshRosen/spark,apache-spark-on-k8s/spark,vinodkc/spark,facaiy/spark,techaddict/spark,facaiy/spark,ericvandenbergfb/spark,JoshRosen/spark,guoxiaolongzte/spark,SHASHANKB/spark,rednaxelafx/apache-spark,lvdongr/spark,JerryLead/spark,wangmiao1981/spark,saltstar/spark,aray/spark,WindCanDie/spark,poffuomo/spark,esi-mineset/spark,jkbradley/spark,bravo-zhang/spark,MLnick/spark,yanboliang/spark,MLnick/spark,aosagie/spark,rekhajoshm/spark,xuanyuanking/spark,taroplus/spark,ahnqirage/spark,sachintyagi22/spark,huang1900/spark,highfei2011/spark,akopich/spark,ajaysaini725/spark,jkbradley/spark,ron8hu/spark,map222/spark,tengpeng/spark,jiangxb1987/spark,ajaysaini725/spark,aray/spark,zuotingbing/spark,apache-spark-on-k8s/spark,guoxiaolongzte/spark,saltstar/spark,maropu/spark,hvanhovell/spark,gioenn/xSpark,bdrillard/spark,bOOm-X/spark,icexelloss/spark,apache/spark,JerryLead/spark,vax11780/spark,caneGuy/spark,wangyum/spark,sachintyagi22/spark,JerryLead/spark,akopich/spark,gioenn/xSpark,guoxiaolongzte/spark,MLnick/spark,gengliangwang/spark,HyukjinKwon/spark,guoxiaolongzte/spark,rekhajoshm/spark,yanboliang/spark,HyukjinKwon/spark,LantaoJin/spark,big-pegasus/spark,dongjoon-hyun/spark,xuanyuanking/spark,debugger87/spark,szhem/spark,skonto/spark,Panos-Bletsos/spark-cost-model-optimizer,aosagie/spark,narahari92/spark,SHASHANKB/spark,zero323/spark,someorz/spark,rednaxelafx/apache-spark,srowen/spark,WindCanDie/spark,ron8hu/spark,eyalfa/spark,haowu80s/spark,ahnqirage/spark,highfei2011/spark,cloudera/spark,wzhfy/spark,BryanCutler/spark,vinodkc/spark,tengpeng/spark,cloud-fan/spark,SnappyDataInc/spark,ueshin/apache-spark,jrshust/spark,jlopezmalla/spark,darionyaphet/spark,cin/spark,metamx/spark,skonto/spark,andrewor14/spark,chuckchen/spark,witgo/spark,techaddict/spark,UndeadBaneGitHub/spark,liyichao/spark,spark-test/spark,mahak/spark,ConeyLiu/spark,bOOm-X/spark,nlalevee/spark,sryza/spark,caneGuy/spark,wzhfy/spark,lxsmnv/spark,hvanhovell/spark,nchammas/spark,loneknightpy/spark,metamx/spark,gengliangwang/spark,eyalfa/spark,ericvandenbergfb/spark,saturday-shi/spark,zhouyejoe/spark,ahnqirage/spark,Panos-Bletsos/spark-cost-model-optimizer,caneGuy/spark,ddna1021/spark,andrewor14/spark,spark-test/spark,tejasapatil/spark,mkolod/incubator-spark,sryza/spark,someorz/spark,saturday-shi/spark,big-pegasus/spark,bdrillard/spark,mike0sv/spark,rezasafi/spark,highfei2011/spark,Aegeaner/spark,xuanyuanking/spark,tengpeng/spark,vinodkc/spark,wzhfy/spark,setjet/spark,Aegeaner/spark,publicRoman/spark,WeichenXu123/spark,jiangxb1987/spark,szhem/spark,loneknightpy/spark,LantaoJin/spark,narahari92/spark,ajaysaini725/spark,facaiy/spark,markhamstra/spark,apache/spark,ddna1021/spark,panfengfeng/spark,bravo-zhang/spark,someorz/spark,aosagie/spark,narahari92/spark,minixalpha/spark,rekhajoshm/spark,ibm-research-ireland/sparkoscope,srowen/spark,ptkool/spark,jlopezmalla/spark,rikima/spark,shuangshuangwang/spark,jlopezmalla/spark,mzl9039/spark,SHASHANKB/spark,minixalpha/spark,mahak/spark,wangyum/spark,apache/spark,michalsenkyr/spark,wzhfy/spark,actuaryzhang/spark,narahari92/spark,panfengfeng/spark,zzcclp/spark,maropu/spark,milliman/spark,HyukjinKwon/spark,bravo-zhang/spark,rekhajoshm/spark,SHASHANKB/spark,shubhamchopra/spark,sryza/spark,maropu/spark,ibm-research-ireland/sparkoscope,dbtsai/spark,gengliangwang/spark,pgandhi999/spark,janewangfb/spark,ajaysaini725/spark,rikima/spark,jlopezmalla/spark,jianran/spark,gioenn/xSpark,milliman/spark,kimoonkim/spark,andrewor14/spark,wzhfy/spark,mzl9039/spark,rednaxelafx/apache-spark,sureshthalamati/spark,JoshRosen/spark,1haodian/spark,caneGuy/spark,zero323/spark,JerryLead/spark,yanboliang/spark,ericvandenbergfb/spark,apache-spark-on-k8s/spark,lxsmnv/spark,aosagie/spark,nlalevee/spark,Aegeaner/spark,alunarbeach/spark,bOOm-X/spark,adrian-ionescu/apache-spark,andrewor14/iolap,gengliangwang/spark,michalsenkyr/spark,maropu/spark,mahak/spark,yanboliang/spark,WindCanDie/spark,dbtsai/spark,hvanhovell/spark,saturday-shi/spark,map222/spark,panfengfeng/spark,srowen/spark,MLnick/spark,jiangxb1987/spark,kissmetrics/spark,big-pegasus/spark,patrick-nicholson/spark,kiszk/spark,srowen/spark,loneknightpy/spark,liyichao/spark,patrick-nicholson/spark,sureshthalamati/spark,tengpeng/spark,cloudera/spark,alunarbeach/spark,zzcclp/spark,zhouyejoe/spark,bravo-zhang/spark,ioana-delaney/spark,panfengfeng/spark,sahilTakiar/spark,vinodkc/spark,nlalevee/spark,goldmedal/spark,ConeyLiu/spark,markhamstra/spark,techaddict/spark,kimoonkim/spark,apache-spark-on-k8s/spark,aosagie/spark,eyalfa/spark,sahilTakiar/spark,hhbyyh/spark,haowu80s/spark,rikima/spark,ericvandenbergfb/spark,facaiy/spark,poffuomo/spark,ddna1021/spark,yanboliang/spark,jiangxb1987/spark,ron8hu/spark,UndeadBaneGitHub/spark,alunarbeach/spark,kissmetrics/spark,byakuinss/spark,minixalpha/spark,esi-mineset/spark,mahak/spark,Aegeaner/spark,markhamstra/spark,stanzhai/spark,shaneknapp/spark,darionyaphet/spark,jrshust/spark,debugger87/spark,jianran/spark,witgo/spark,big-pegasus/spark,wangyum/spark,shaneknapp/spark,wangmiao1981/spark,map222/spark,tengpeng/spark,setjet/spark,stanzhai/spark,nchammas/spark,szhem/spark,mkolod/incubator-spark,shaneknapp/spark,darionyaphet/spark,BryanCutler/spark,bOOm-X/spark,zero323/spark,hhbyyh/spark,WeichenXu123/spark,icexelloss/spark,xflin/spark,setjet/spark,huang1900/spark,byakuinss/spark,taroplus/spark,chuckchen/spark,UndeadBaneGitHub/spark,holdenk/spark,andrewor14/iolap,nlalevee/spark,guoxiaolongzte/spark,witgo/spark,SHASHANKB/spark,icexelloss/spark,akopich/spark,setjet/spark,1haodian/spark,narahari92/spark,ron8hu/spark,kimoonkim/spark,hhbyyh/spark,rikima/spark,lyogavin/spark,ddna1021/spark,xuanyuanking/spark,dhruve/spark,adrian-ionescu/apache-spark,goldmedal/spark,holdenk/spark,loneknightpy/spark,rekhajoshm/spark,poffuomo/spark,rednaxelafx/apache-spark,kimoonkim/spark,maropu/spark,LantaoJin/spark,koeninger/spark,ajaysaini725/spark,guoxiaolongzte/spark,andrewor14/iolap,spark-test/spark,brad-kaiser/spark,kissmetrics/spark,1haodian/spark,goldmedal/spark,techaddict/spark,mike0sv/spark,darionyaphet/spark,sahilTakiar/spark,bdrillard/spark,adrian-ionescu/apache-spark,lvdongr/spark,debugger87/spark,jrshust/spark,tejasapatil/spark,chuckchen/spark,mahak/spark,spark-test/spark,sachintyagi22/spark,xuanyuanking/spark,markhamstra/spark,sahilTakiar/spark,dbtsai/spark,andrewor14/spark,WeichenXu123/spark,sahilTakiar/spark,pronix/spark,debugger87/spark,zhouyejoe/spark,esi-mineset/spark,HyukjinKwon/spark,someorz/spark,jiangxb1987/spark,HyukjinKwon/spark,Aegeaner/spark,liyichao/spark,brad-kaiser/spark,publicRoman/spark,shuangshuangwang/spark,JoshRosen/spark,stanzhai/spark,kiszk/spark,ibm-research-ireland/sparkoscope,wgpshashank/spark,jrshust/spark,shaneknapp/spark,aokolnychyi/spark,ddna1021/spark,kevinyu98/spark,wzhfy/spark,xflin/spark,minixalpha/spark,SnappyDataInc/spark,ddna1021/spark,rjpower/spark,markhamstra/spark,aray/spark,sureshthalamati/spark,ericvandenbergfb/spark,joseph-torres/spark,UndeadBaneGitHub/spark,zhouyejoe/spark,alunarbeach/spark,bravo-zhang/spark,BryanCutler/spark,wangyum/spark,liyichao/spark,sachintyagi22/spark,guoxiaolongzte/spark,haowu80s/spark,aokolnychyi/spark,zero323/spark,kissmetrics/spark,mdespriee/spark,highfei2011/spark,hvanhovell/spark,metamx/spark,mike0sv/spark,ioana-delaney/spark,stanzhai/spark,cloud-fan/spark,eyalfa/spark,goldmedal/spark,1haodian/spark,wzhfy/spark,wgpshashank/spark,milliman/spark,mdespriee/spark,brad-kaiser/spark,zhouyejoe/spark,dhruve/spark,apache-spark-on-k8s/spark,sureshthalamati/spark,UndeadBaneGitHub/spark,brad-kaiser/spark,saltstar/spark,chuckchen/spark,ioana-delaney/spark,joseph-torres/spark,shuangshuangwang/spark,stanzhai/spark,chuckchen/spark,lxsmnv/spark,shuangshuangwang/spark,BryanCutler/spark,pgandhi999/spark,aray/spark,kevinyu98/spark,kevinyu98/spark,vax11780/spark,wangmiao1981/spark,poffuomo/spark,gioenn/xSpark,setjet/spark,nilsgrabbert/spark,apache/spark,aray/spark,shubhamchopra/spark,nilsgrabbert/spark,ibm-research-ireland/sparkoscope,mike0sv/spark,dbtsai/spark,JoshRosen/spark,holdenk/spark,markhamstra/spark,janewangfb/spark,pgandhi999/spark,andrewor14/iolap,icexelloss/spark,tengpeng/spark,pgandhi999/spark,taroplus/spark,poffuomo/spark,huang1900/spark,liutang123/spark,liutang123/spark,byakuinss/spark,saturday-shi/spark,kiszk/spark,WeichenXu123/spark,cloud-fan/spark,jlopezmalla/spark,publicRoman/spark,huang1900/spark,kevinyu98/spark,huang1900/spark,darionyaphet/spark,rezasafi/spark,bOOm-X/spark,mike0sv/spark,zzcclp/spark,apache/spark,rekhajoshm/spark,debugger87/spark,ahnqirage/spark,pgandhi999/spark,dotunolafunmiloye/spark,cin/spark,aray/spark,jlopezmalla/spark,metamx/spark,liyichao/spark,ueshin/apache-spark,huang1900/spark,wangmiao1981/spark,nilsgrabbert/spark,jianran/spark,mzl9039/spark,lxsmnv/spark,skonto/spark,kevinyu98/spark,WindCanDie/spark,hhbyyh/spark,sureshthalamati/spark,akopich/spark,nchammas/spark,dongjoon-hyun/spark,big-pegasus/spark,Panos-Bletsos/spark-cost-model-optimizer,SHASHANKB/spark,nlalevee/spark,highfei2011/spark,dhruve/spark,ueshin/apache-spark,actuaryzhang/spark,witgo/spark,lvdongr/spark,xflin/spark,cin/spark,mkolod/incubator-spark,vinodkc/spark,rikima/spark,zuotingbing/spark,cin/spark,koeninger/spark,big-pegasus/spark,tejasapatil/spark,ahnqirage/spark,ConeyLiu/spark,szhem/spark,yanboliang/spark,jkbradley/spark,tengpeng/spark,gioenn/xSpark,alunarbeach/spark,map222/spark,publicRoman/spark,cloudera/spark,Panos-Bletsos/spark-cost-model-optimizer,cloud-fan/spark,rezasafi/spark,ioana-delaney/spark,akopich/spark,jkbradley/spark,maropu/spark,zero323/spark,panfengfeng/spark,setjet/spark,shubhamchopra/spark,liyichao/spark,esi-mineset/spark,someorz/spark,dbtsai/spark,1haodian/spark,aokolnychyi/spark,ueshin/apache-spark,rednaxelafx/apache-spark,rednaxelafx/apache-spark,WindCanDie/spark,patrick-nicholson/spark,ahnqirage/spark,ConeyLiu/spark,panfengfeng/spark,loneknightpy/spark,dongjoon-hyun/spark,someorz/spark,byakuinss/spark,bravo-zhang/spark,mahak/spark,icexelloss/spark,MLnick/spark,jianran/spark,zzcclp/spark,jrshust/spark,lvdongr/spark,zuotingbing/spark,taroplus/spark,rekhajoshm/spark,joseph-torres/spark,ddna1021/spark,metamx/spark,ibm-research-ireland/sparkoscope,srowen/spark,shuangshuangwang/spark,SnappyDataInc/spark,mdespriee/spark,shubhamchopra/spark,WindCanDie/spark,pgandhi999/spark,LantaoJin/spark,skonto/spark,ioana-delaney/spark,byakuinss/spark,yanboliang/spark,darionyaphet/spark,zuotingbing/spark,nilsgrabbert/spark,actuaryzhang/spark,wangmiao1981/spark,minixalpha/spark,tejasapatil/spark,UndeadBaneGitHub/spark,eyalfa/spark,WeichenXu123/spark,andrewor14/spark,icexelloss/spark,shubhamchopra/spark,nchammas/spark,eyalfa/spark,alunarbeach/spark,rjpower/spark,JoshRosen/spark,debugger87/spark,taroplus/spark,cloudera/spark,joseph-torres/spark,brad-kaiser/spark,ajaysaini725/spark,mzl9039/spark,liyichao/spark,bdrillard/spark,jkbradley/spark,nchammas/spark,kiszk/spark,jiangxb1987/spark,hvanhovell/spark,janewangfb/spark,HyukjinKwon/spark,joseph-torres/spark,wangyum/spark,akopich/spark,skonto/spark,hvanhovell/spark,nlalevee/spark,kissmetrics/spark,dotunolafunmiloye/spark,michalsenkyr/spark,JerryLead/spark,ajaysaini725/spark,jrshust/spark,pronix/spark,chuckchen/spark,actuaryzhang/spark,shaneknapp/spark,big-pegasus/spark,ptkool/spark,zuotingbing/spark,kevinyu98/spark,adrian-ionescu/apache-spark,liutang123/spark,ron8hu/spark,minixalpha/spark,SHASHANKB/spark,mike0sv/spark,saturday-shi/spark,facaiy/spark,Panos-Bletsos/spark-cost-model-optimizer,tejasapatil/spark,lyogavin/spark,lvdongr/spark,esi-mineset/spark,nilsgrabbert/spark,witgo/spark,nchammas/spark,bOOm-X/spark,facaiy/spark,setjet/spark,saltstar/spark,dhruve/spark,WindCanDie/spark,huang1900/spark,gioenn/xSpark,byakuinss/spark,bdrillard/spark,Panos-Bletsos/spark-cost-model-optimizer,shaneknapp/spark,gengliangwang/spark,BryanCutler/spark,loneknightpy/spark,pronix/spark,MLnick/spark,ioana-delaney/spark,sureshthalamati/spark,JerryLead/spark,nchammas/spark,janewangfb/spark,milliman/spark,actuaryzhang/spark,rezasafi/spark,adrian-ionescu/apache-spark,skonto/spark,spark-test/spark,ron8hu/spark,dongjoon-hyun/spark,narahari92/spark,brad-kaiser/spark,dongjoon-hyun/spark,Panos-Bletsos/spark-cost-model-optimizer,kissmetrics/spark,liutang123/spark,aokolnychyi/spark,aray/spark,liutang123/spark,dotunolafunmiloye/spark,ueshin/apache-spark,goldmedal/spark,saltstar/spark,apache/spark,mdespriee/spark,spark-test/spark,adrian-ionescu/apache-spark,mdespriee/spark,michalsenkyr/spark,nlalevee/spark,jkbradley/spark,darionyaphet/spark,kimoonkim/spark,zero323/spark,panfengfeng/spark,apache-spark-on-k8s/spark,ron8hu/spark,bravo-zhang/spark,koeninger/spark,cin/spark,holdenk/spark,milliman/spark,rezasafi/spark,mzl9039/spark,spark-test/spark,ibm-research-ireland/sparkoscope,vax11780/spark,actuaryzhang/spark,pgandhi999/spark,WeichenXu123/spark,HyukjinKwon/spark,wangyum/spark,gioenn/xSpark,ptkool/spark,patrick-nicholson/spark,shuangshuangwang/spark,goldmedal/spark,apache/spark,mdespriee/spark,aokolnychyi/spark,srowen/spark,michalsenkyr/spark,bdrillard/spark,mzl9039/spark,gengliangwang/spark,cin/spark,ioana-delaney/spark,vax11780/spark,aokolnychyi/spark,sahilTakiar/spark,janewangfb/spark,esi-mineset/spark,chuckchen/spark,jianran/spark,dongjoon-hyun/spark,akopich/spark,brad-kaiser/spark,SnappyDataInc/spark,map222/spark,jianran/spark,koeninger/spark,ConeyLiu/spark,highfei2011/spark,xuanyuanking/spark,BryanCutler/spark,metamx/spark,aosagie/spark,wgpshashank/spark,loneknightpy/spark,dbtsai/spark,map222/spark,lyogavin/spark,rjpower/spark,ptkool/spark,rikima/spark,sureshthalamati/spark,rjpower/spark,nilsgrabbert/spark,patrick-nicholson/spark,tejasapatil/spark,SnappyDataInc/spark,janewangfb/spark,hvanhovell/spark,ptkool/spark,sahilTakiar/spark,mike0sv/spark,saturday-shi/spark,haowu80s/spark,hhbyyh/spark,ericvandenbergfb/spark,lvdongr/spark,andrewor14/iolap,mahak/spark,gengliangwang/spark,pronix/spark,esi-mineset/spark,aokolnychyi/spark,michalsenkyr/spark,UndeadBaneGitHub/spark,shuangshuangwang/spark,sachintyagi22/spark,shaneknapp/spark