Add submodule zeppelin-driver-jdbc
Generic jdbc driver implementation
ZEPPELIN-92 Add initial implementation
Set mysql driver dependency as optional
Add readme
Merge branch 'master' into jdbc_driver
ZEPPELIN-92 bumping up version
ZEPPELIN-92 Take care of execute and excuteQuery
Trying to fix travisCI build error by bumping up surefire version
Fix indent
ZEPPELIN-92 improve execute() abort() method. update code formatting.
ZEPPELIN-92 fix isConncted implementation
Merge pull request #46 from NFLabs/jdbc_driver

ZEPPELIN-92 Generic JDBC driver