ZEPPELIN-1030 Added example for various jdbc-like interpreters
ZEPPELIN-1030 Added example for various jdbc-like interpreters

### What is this PR for?
Adding examples settings for JdbcInterpreter to use jdbc drivers. This hasn't changed actual codes

### What type of PR is it?
[Documentation]

### Todos
* [x] - Add example

### What is the Jira issue?
* https://issues.apache.org/jira/browse/ZEPPELIN-1030

### How should this be tested?
1. mvn clean package -DskipTests -Pspark-1.6 -pl 'jdbc,zeppelin-interpreter,zeppelin-web,zeppelin-server,zeppelin-zengine,zeppelin-display'
2. Test it

### Screenshots (if appropriate)
<img width="744" alt="screen shot 2016-06-27 at 11 46 00 pm" src="https://cloud.githubusercontent.com/assets/3612566/16384014/6aef186a-3cc2-11e6-93e0-105fd9d29eff.png">
<img width="1579" alt="screen shot 2016-06-27 at 11 47 59 pm" src="https://cloud.githubusercontent.com/assets/3612566/16384015/6af3a7ea-3cc2-11e6-88f5-1dc6bc672079.png">

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

Author: Jongyoul Lee <jongyoul@gmail.com>

Closes #1096 from jongyoul/ZEPPELIN-1030 and squashes the following commits:

1aaf0d2 [Jongyoul Lee] Added example for various interpreters

yorek/zeppelin,brigade/incubator-zeppelin,jlagarden/zeppelin,yorek/zeppelin,brigade/incubator-zeppelin,brigade/incubator-zeppelin,brigade/incubator-zeppelin,jlagarden/zeppelin,yorek/zeppelin,brigade/incubator-zeppelin,jlagarden/zeppelin,brigade/incubator-zeppelin,yorek/zeppelin,jlagarden/zeppelin,yorek/zeppelin,yorek/zeppelin,jlagarden/zeppelin,brigade/incubator-zeppelin,jlagarden/zeppelin,jlagarden/zeppelin,yorek/zeppelin