[ZEPPELIN-2123] Travis build status check script

[Leemoonsoo]

What is this PR for?

This script is designed to check contributors travis CI build state when pullrequest is created.

What type of PR is it?

Feature

Todos

• - check travis build status

What is the Jira issue?

https://issues.apache.org/jira/browse/ZEPPELIN-2123

How should this be tested?

Run script with python ./travis_check.py [Author] [Branch name] [Commit hash].
For example

moon$ python ./travis_check.py Leemoonsoo ZEPPELIN-2120 44b9403
[2017-02-16 18:55:43] Author: Leemoonsoo, branch: ZEPPELIN-2120, commit: 44b9403
[2017-02-16 18:55:43] --------------------------------
[2017-02-16 18:55:48] Get build status ...
https://travis-ci.org/Leemoonsoo/zeppelin/builds/202172366
[1] OK
[2] Running ...
[3] Running ...
[4] OK
[5] OK
[6] Running ...
[7] OK
[8] Error 1
[9] Running ...
1 job(s) failed, 4 job(s) running

Questions:

• Does the licenses files need update? no
• Is there breaking changes for older versions? no
• Does this needs documentation? no

[jongyoul]

Looks nice 👍

[Leemoonsoo]

Thanks @jongyoul for review. I'm merging it to master.