[ZEPPELIN-914] Apply new mechanism to IgniteInterpreter

[DrIgor]

What is this PR for?

This handles replacing the registration of interpreter with static block by the interpreter-setting.json file

What type of PR is it?

[Improvement]

What is the Jira issue?

ZEPPELIN-914

How should this be tested?

There shouldn't be any warning like below on starting the server

INFO 2016-09-29 00:25:46,247 - Bootstrapping Ignite Interpreter
WARN 2016-09-29 00:25:46,250 - Static initialization is deprecated for interpreter Ignite, You should change it to use interpreter-setting.json in your jar or interpreter/{interpreter}/interpreter-setting.json
INFO 2016-09-29 00:25:46,250 - Inclass=org.apache.zeppelin.ignite

And ensure that the Ignite related paragraphs run without any error

Questions:

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

[DrIgor]

Original pull request #1561

IgniteSqlInterpreterTest is known flaky test: ZEPPELIN-1738

[DrIgor]

Travis fails with:

testBasicIntp(org.apache.zeppelin.spark.PySparkInterpreterTest)  Time elapsed: 58.947 sec  <<< FAILURE!
java.lang.AssertionError: expected:<SUCCESS> but was:<ERROR>

Known issue: ZEPPELIN-1746

[jongyoul]

Thanks!! LGTM. Will merge it