[SPARK-18461][DOCS][STRUCTUREDSTREAMING] Added more information about monitoring streaming queries
[SPARK-18461][DOCS][STRUCTUREDSTREAMING] Added more information about monitoring streaming queries

## What changes were proposed in this pull request?
<img width="941" alt="screen shot 2016-11-15 at 6 27 32 pm" src="https://cloud.githubusercontent.com/assets/663212/20332521/4190b858-ab61-11e6-93a6-4bdc05105ed9.png">
<img width="940" alt="screen shot 2016-11-15 at 6 27 45 pm" src="https://cloud.githubusercontent.com/assets/663212/20332525/44a0d01e-ab61-11e6-8668-47f925490d4f.png">

Author: Tathagata Das <tathagata.das1565@gmail.com>

Closes #15897 from tdas/SPARK-18461.

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