[DOC] Fix broken code block in jdbc document
[DOC] Fix broken code block in jdbc document

### What is this PR for?
Fix broken code block in jdbc document

### What type of PR is it?
Documentation

### Screenshots (if appropriate)
Before
<img width="1280" alt="screen shot 2016-06-21 at 2 46 58 pm" src="https://cloud.githubusercontent.com/assets/8503346/16247613/65aa78a2-37bf-11e6-9370-7d0bcba4cbf5.png">

After
<img width="1280" alt="screen shot 2016-06-21 at 2 47 14 pm" src="https://cloud.githubusercontent.com/assets/8503346/16247606/61ef7ad2-37bf-11e6-90a4-10234b18611e.png">

### Questions:
* Does the licenses files need update? No
* Is there breaking changes for older versions? No
* Does this needs documentation? No

Author: Mina Lee <minalee@apache.org>

Closes #1061 from minahlee/doc/fixJdbc and squashes the following commits:

825fdb4 [Mina Lee] Fix broken code block in jdbc document

astroshim/zeppelin,SachinJanani/zeppelin,zjffdu/zeppelin,suvam97/zeppelin,lresende/incubator-zeppelin,sergeymazin/zeppelin,anthonycorbacho/incubator-zeppelin,Leemoonsoo/incubator-zeppelin,anthonycorbacho/incubator-zeppelin,soralee/zeppelin,sohaibiftikhar/zeppelin,datalayer/zeppelin,wary/zeppelin,chilang/zeppelin,r-kamath/zeppelin,mwkang/zeppelin,Solution-Global/zeppelin,yu74n/zeppelin,sravan-s/zeppelin,cfries/zeppelin,anthonycorbacho/incubator-zeppelin,hammertank/zeppelin,SachinJanani/zeppelin,yorek/zeppelin,apache/zeppelin,zetaris/zeppelin,prabhjyotsingh/zeppelin,IceKhan13/zeppelin,YuanGunGun/zeppelin,vrlo/zeppelin,vgmartinez/incubator-zeppelin,cfries/zeppelin,minahlee/zeppelin,astroshim/zeppelin,minahlee/zeppelin,1ambda/zeppelin,cquptEthan/incubator-zeppelin,onkarshedge/incubator-zeppelin,onkarshedge/incubator-zeppelin,karuppayya/zeppelin,volumeint/zeppelin,YuanGunGun/zeppelin,hkropp/incubator-zeppelin,zetaris/zeppelin,Nova-Boy/zeppelin,vrlo/zeppelin,digitalreasoning/incubator-zeppelin,apache/zeppelin,jongyoul/incubator-zeppelin,namanmishra91/zeppelin,mfelgamal/zeppelin,sctincman/zeppelin,cfries/zeppelin,karuppayya/zeppelin,chilang/zeppelin,SachinJanani/zeppelin,tzolov/incubator-zeppelin,chilang/zeppelin,tillrohrmann/incubator-zeppelin,hammertank/zeppelin,volumeint/zeppelin,yu74n/zeppelin,karuppayya/zeppelin,jongyoul/zeppelin,fogbeam/zeppelin_mirror,openthings/zeppelin,sagarkulkarni3592/incubator-zeppelin,fogbeam/zeppelin_mirror,herval/zeppelin,cfries/zeppelin,Solution-Global/zeppelin,cfries/zeppelin,cfries/zeppelin,benoyantony/zeppelin,Nova-Boy/zeppelin,sohaibiftikhar/zeppelin,mfelgamal/zeppelin,jongyoul/incubator-zeppelin,pellmont/zeppelin,radicalbit/incubator-zeppelin,lresende/incubator-zeppelin,sctincman/zeppelin,IceKhan13/zeppelin,mfelgamal/zeppelin,Altiscale/incubator-zeppelin,datalayer/zeppelin,tillrohrmann/incubator-zeppelin,vipul1409/zeppelin,Leemoonsoo/zeppelin,vgmartinez/incubator-zeppelin,r-kamath/zeppelin,Nova-Boy/zeppelin,sohaibiftikhar/zeppelin,IceKhan13/zeppelin,karuppayya/zeppelin,1ambda/zeppelin,mwpenny/zeppelin-esri,joroKr21/incubator-zeppelin,apache/zeppelin,optimizely/incubator-zeppelin,joroKr21/incubator-zeppelin,openthings/zeppelin,mwkang/zeppelin,vipul1409/zeppelin,datalayer/zeppelin-datalayer,soralee/zeppelin,SachinJanani/zeppelin,tinkoff-dwh/zeppelin,yorek/zeppelin,datalayer/zeppelin-datalayer,benoyantony/zeppelin,prabhjyotsingh/zeppelin,raysteam/zeppelin,mwkang/zeppelin,yorek/zeppelin,sctincman/zeppelin,benoyantony/zeppelin,soralee/zeppelin,rerngvit/incubator-zeppelin,joroKr21/incubator-zeppelin,minahlee/zeppelin,lresende/incubator-zeppelin,hkropp/incubator-zeppelin,jongyoul/incubator-zeppelin,chilang/zeppelin,lresende/incubator-zeppelin,soralee/zeppelin,Leemoonsoo/zeppelin,raysteam/zeppelin,mwpenny/zeppelin-esri,Madhuka/incubator-zeppelin,mwpenny/zeppelin-esri,jongyoul/zeppelin,AlexanderShoshin/zeppelin,herval/zeppelin,yu74n/zeppelin,sagarkulkarni3592/incubator-zeppelin,yu74n/zeppelin,vrlo/zeppelin,volumeint/zeppelin,zjffdu/zeppelin,vgmartinez/incubator-zeppelin,minahlee/zeppelin,Madhuka/incubator-zeppelin,sravan-s/zeppelin,Solution-Global/zeppelin,VipinRathor/zeppelin,prabhjyotsingh/zeppelin,Solution-Global/zeppelin,pravin-dsilva/zeppelin,minahlee/incubator-zeppelin,sctincman/zeppelin,radicalbit/incubator-zeppelin,mwkang/zeppelin,spacewalkman/incubator-zeppelin,mwpenny/zeppelin-esri,astroshim/zeppelin,cquptEthan/incubator-zeppelin,prabhjyotsingh/incubator-zeppelin,hammertank/zeppelin,r-kamath/zeppelin,anthonycorbacho/incubator-zeppelin,openthings/zeppelin,Madhuka/incubator-zeppelin,rconline/zeppelin,tillrohrmann/incubator-zeppelin,pellmont/zeppelin,wary/zeppelin,SarunasG/zeppelin-oidc,sohaibiftikhar/zeppelin,vrlo/zeppelin,volumeint/zeppelin,vipul1409/zeppelin,sergeymazin/zeppelin,Leemoonsoo/incubator-zeppelin,VipinRathor/zeppelin,apache/incubator-zeppelin,onkarshedge/incubator-zeppelin,apache/zeppelin,doanduyhai/incubator-zeppelin,minahlee/incubator-zeppelin,prabhjyotsingh/zeppelin,mfelgamal/zeppelin,zjffdu/zeppelin,prabhjyotsingh/incubator-zeppelin,SarunasG/zeppelin-oidc,anthonycorbacho/incubator-zeppelin,tillrohrmann/incubator-zeppelin,yorek/zeppelin,Altiscale/incubator-zeppelin,apache/incubator-zeppelin,pellmont/zeppelin,hkropp/incubator-zeppelin,yorek/zeppelin,pravin-dsilva/zeppelin,rconline/zeppelin,VipinRathor/zeppelin,sohaibiftikhar/zeppelin,tzolov/incubator-zeppelin,astroshim/zeppelin,chilang/zeppelin,Leemoonsoo/zeppelin,tinkoff-dwh/zeppelin,Madhuka/incubator-zeppelin,jongyoul/incubator-zeppelin,chilang/zeppelin,jongyoul/zeppelin,onkarshedge/incubator-zeppelin,sravan-s/zeppelin,Leemoonsoo/zeppelin,prabhjyotsingh/incubator-zeppelin,Leemoonsoo/zeppelin,karuppayya/zeppelin,r-kamath/incubator-zeppelin,1ambda/zeppelin,vrlo/zeppelin,suvam97/zeppelin,Nova-Boy/zeppelin,sravan-s/zeppelin,r-kamath/incubator-zeppelin,spacewalkman/incubator-zeppelin,r-kamath/incubator-zeppelin,Madhuka/incubator-zeppelin,Nova-Boy/zeppelin,wary/zeppelin,IceKhan13/zeppelin,SachinJanani/zeppelin,r-kamath/incubator-zeppelin,r-kamath/incubator-zeppelin,AlexanderShoshin/zeppelin,soralee/zeppelin,Nova-Boy/zeppelin,pravin-dsilva/zeppelin,Altiscale/incubator-zeppelin,prabhjyotsingh/incubator-zeppelin,soralee/zeppelin,fogbeam/zeppelin_mirror,herval/zeppelin,SarunasG/zeppelin-oidc,mfelgamal/zeppelin,jongyoul/zeppelin,zjffdu/zeppelin,spacewalkman/incubator-zeppelin,joroKr21/incubator-zeppelin,sagarkulkarni3592/incubator-zeppelin,zetaris/zeppelin,Madhuka/incubator-zeppelin,spacewalkman/incubator-zeppelin,namanmishra91/zeppelin,doanduyhai/incubator-zeppelin,sergeymazin/zeppelin,anthonycorbacho/incubator-zeppelin,astroshim/zeppelin,VipinRathor/zeppelin,rerngvit/incubator-zeppelin,sergeymazin/zeppelin,datalayer/zeppelin,sohaibiftikhar/zeppelin,1ambda/zeppelin,datalayer/zeppelin,raysteam/zeppelin,fogbeam/zeppelin_mirror,digitalreasoning/incubator-zeppelin,SarunasG/zeppelin-oidc,datalayer/zeppelin-datalayer,hammertank/zeppelin,raysteam/zeppelin,spacewalkman/incubator-zeppelin,prabhjyotsingh/zeppelin,optimizely/incubator-zeppelin,Madhuka/incubator-zeppelin,astroshim/incubator-zeppelin,astroshim/zeppelin,tillrohrmann/incubator-zeppelin,Leemoonsoo/zeppelin,1ambda/zeppelin,tinkoff-dwh/zeppelin,joroKr21/incubator-zeppelin,tillrohrmann/incubator-zeppelin,tillrohrmann/incubator-zeppelin,doanduyhai/incubator-zeppelin,doanduyhai/incubator-zeppelin,vipul1409/zeppelin,SarunasG/zeppelin-oidc,Leemoonsoo/incubator-zeppelin,sagarkulkarni3592/incubator-zeppelin,VipinRathor/zeppelin,zetaris/zeppelin,prabhjyotsingh/zeppelin,prabhjyotsingh/incubator-zeppelin,astroshim/incubator-zeppelin,astroshim/incubator-zeppelin,hammertank/zeppelin,fogbeam/zeppelin_mirror,karuppayya/zeppelin,namanmishra91/zeppelin,yu74n/zeppelin,prabhjyotsingh/incubator-zeppelin,sctincman/zeppelin,onkarshedge/incubator-zeppelin,fogbeam/zeppelin_mirror,Leemoonsoo/incubator-zeppelin,cfries/zeppelin,SachinJanani/zeppelin,namanmishra91/zeppelin,wary/zeppelin,SachinJanani/zeppelin,Leemoonsoo/zeppelin,YuanGunGun/zeppelin,yu74n/zeppelin,r-kamath/zeppelin,spacewalkman/incubator-zeppelin,soralee/zeppelin,cquptEthan/incubator-zeppelin,Solution-Global/zeppelin,Nova-Boy/zeppelin,lresende/incubator-zeppelin,Leemoonsoo/incubator-zeppelin,digitalreasoning/incubator-zeppelin,digitalreasoning/incubator-zeppelin,cquptEthan/incubator-zeppelin,optimizely/incubator-zeppelin,tzolov/incubator-zeppelin,wary/zeppelin,sctincman/zeppelin,raysteam/zeppelin,yorek/zeppelin,mwkang/zeppelin,openthings/zeppelin,apache/zeppelin,datalayer/zeppelin,sagarkulkarni3592/incubator-zeppelin,datalayer/zeppelin,volumeint/zeppelin,wary/zeppelin,herval/zeppelin,Leemoonsoo/incubator-zeppelin,astroshim/incubator-zeppelin,wary/zeppelin,apache/incubator-zeppelin,rconline/zeppelin,mfelgamal/zeppelin,mfelgamal/zeppelin,yorek/zeppelin,rconline/zeppelin,astroshim/incubator-zeppelin,rerngvit/incubator-zeppelin,rconline/zeppelin,YuanGunGun/zeppelin,sctincman/zeppelin,benoyantony/zeppelin,joroKr21/incubator-zeppelin,hkropp/incubator-zeppelin,r-kamath/zeppelin,pravin-dsilva/zeppelin,fogbeam/zeppelin_mirror,apache/zeppelin,mwkang/zeppelin,raysteam/zeppelin,rerngvit/incubator-zeppelin,AlexanderShoshin/zeppelin,AlexanderShoshin/zeppelin,minahlee/zeppelin,YuanGunGun/zeppelin,radicalbit/incubator-zeppelin,optimizely/incubator-zeppelin,yu74n/zeppelin,datalayer/zeppelin-datalayer,raysteam/zeppelin,vipul1409/zeppelin,suvam97/zeppelin,anthonycorbacho/incubator-zeppelin,IceKhan13/zeppelin,AlexanderShoshin/zeppelin,AlexanderShoshin/zeppelin,jongyoul/zeppelin,vgmartinez/incubator-zeppelin,lresende/incubator-zeppelin,suvam97/zeppelin,namanmishra91/zeppelin,volumeint/zeppelin,optimizely/incubator-zeppelin,spacewalkman/incubator-zeppelin,r-kamath/zeppelin,namanmishra91/zeppelin,Altiscale/incubator-zeppelin,hkropp/incubator-zeppelin,jongyoul/incubator-zeppelin,zetaris/zeppelin,minahlee/zeppelin,tinkoff-dwh/zeppelin,sagarkulkarni3592/incubator-zeppelin,YuanGunGun/zeppelin,doanduyhai/incubator-zeppelin,openthings/zeppelin,cquptEthan/incubator-zeppelin,tzolov/incubator-zeppelin,benoyantony/zeppelin,sergeymazin/zeppelin,jongyoul/zeppelin,1ambda/zeppelin,rconline/zeppelin,sravan-s/zeppelin,pravin-dsilva/zeppelin,pellmont/zeppelin,zjffdu/zeppelin,optimizely/incubator-zeppelin,Solution-Global/zeppelin,onkarshedge/incubator-zeppelin,minahlee/incubator-zeppelin,doanduyhai/incubator-zeppelin,apache/incubator-zeppelin,radicalbit/incubator-zeppelin,1ambda/zeppelin,tzolov/incubator-zeppelin,cquptEthan/incubator-zeppelin,karuppayya/zeppelin,pravin-dsilva/zeppelin,minahlee/incubator-zeppelin,suvam97/zeppelin,benoyantony/zeppelin,vipul1409/zeppelin,vipul1409/zeppelin,namanmishra91/zeppelin,sagarkulkarni3592/incubator-zeppelin,digitalreasoning/incubator-zeppelin,prabhjyotsingh/zeppelin,cquptEthan/incubator-zeppelin,VipinRathor/zeppelin,mwpenny/zeppelin-esri,lresende/incubator-zeppelin,Solution-Global/zeppelin,IceKhan13/zeppelin,r-kamath/zeppelin,zetaris/zeppelin,vgmartinez/incubator-zeppelin,hammertank/zeppelin,chilang/zeppelin,pellmont/zeppelin,zjffdu/zeppelin,herval/zeppelin,astroshim/zeppelin,vgmartinez/incubator-zeppelin,herval/zeppelin,mwpenny/zeppelin-esri,benoyantony/zeppelin,sergeymazin/zeppelin,apache/zeppelin,rconline/zeppelin,minahlee/zeppelin,onkarshedge/incubator-zeppelin,r-kamath/incubator-zeppelin,radicalbit/incubator-zeppelin,pellmont/zeppelin,openthings/zeppelin,hammertank/zeppelin,tzolov/incubator-zeppelin,sergeymazin/zeppelin,rerngvit/incubator-zeppelin,SarunasG/zeppelin-oidc,radicalbit/incubator-zeppelin,datalayer/zeppelin,digitalreasoning/incubator-zeppelin,pellmont/zeppelin,tinkoff-dwh/zeppelin,apache/incubator-zeppelin,zjffdu/zeppelin,vrlo/zeppelin,IceKhan13/zeppelin,openthings/zeppelin,tinkoff-dwh/zeppelin,sravan-s/zeppelin,SarunasG/zeppelin-oidc,tinkoff-dwh/zeppelin,herval/zeppelin,joroKr21/incubator-zeppelin,YuanGunGun/zeppelin,mwpenny/zeppelin-esri,suvam97/zeppelin,astroshim/incubator-zeppelin,hkropp/incubator-zeppelin,Altiscale/incubator-zeppelin,joroKr21/incubator-zeppelin,doanduyhai/incubator-zeppelin,volumeint/zeppelin,jongyoul/incubator-zeppelin,r-kamath/incubator-zeppelin,digitalreasoning/incubator-zeppelin,optimizely/incubator-zeppelin,pravin-dsilva/zeppelin,Altiscale/incubator-zeppelin,radicalbit/incubator-zeppelin,suvam97/zeppelin,zetaris/zeppelin,VipinRathor/zeppelin,jongyoul/zeppelin,mwkang/zeppelin,vrlo/zeppelin,Leemoonsoo/zeppelin,rerngvit/incubator-zeppelin,rerngvit/incubator-zeppelin,sravan-s/zeppelin,minahlee/incubator-zeppelin,AlexanderShoshin/zeppelin,sohaibiftikhar/zeppelin,apache/incubator-zeppelin