[SPARKR][DOC] minor doc update for version in migration guide
[SPARKR][DOC] minor doc update for version in migration guide

checked that the change is in Spark 1.6.0.
shivaram

Author: felixcheung <felixcheung_m@hotmail.com>

Closes #10574 from felixcheung/rwritemodedoc.

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