[js_ingest] js ingest library with complete integration tests
[js_ingest] typos correction
[js_ingest] Docs corrected. Config files for integration tests added.
[js_ingest] integration tests now has a dependency on cdap-auth-client. cdap-auth-client is not required for integration tests to work correct.
[js_ingest] tests corrected.
Merge pull request #93 from cybervisiontech/js_ingest_new

[CYB-3, CDAP-493] js ingest library with complete integration tests

Merging. Opened a JIRA to possibly change requests from sync to asynchronous: https://issues.cask.co/browse/CDAP-597