[ZEPPELIN-1535] Override JNA version with 4.2.0 for Power PC users
[ZEPPELIN-1535] Override JNA version with 4.2.0 for Power PC users

### What is this PR for?
For Power PC users, running embedded Cassandra fails because JNA version 4.0.0 is not working. Upgrading JNA to 4.2.0 works

### What type of PR is it?
**[Bug Fix]**

### Todos
* [] - Check by **Pravin Dsilva** and/or **sonali shrivastava** to ensure the fix works for them

### What is the Jira issue?
* [ZEPPELIN-1535]

### How should this be tested?

1. Checkout this PR with `git fetch origin pull/1631/head:CASSANDRA_JNA_FIX`
2. Switch to this brand `git checkout CASSANDRA_JNA_FIX`
2. Execute the following commands on a **Power PC** machine to build Zeppelin

```sh
>export MAVEN_OPTS="-Xmx2g -XX:MaxPermSize=1024m -Drat.numUnapprovedLicenses=128"
>mvn -Dhadoop.version=2.7.3 -Dspark.version=1.6.2 clean test -Drat.skip -fn
```

### Screenshots (if appropriate)

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

[ZEPPELIN-1535]: https://issues.apache.org/jira/browse/ZEPPELIN-1535#

Author: doanduyhai <doanduyhai@apache.org>

Closes #1631 from doanduyhai/ZEPPELIN-1535 and squashes the following commits:

df3d73d [doanduyhai] Override JNA version with 4.2.0 for Power PC users

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