Add Integration Testing (OpenTSDB) to OdcsapiResource Controller

[zack-rma]

Problem Description

Fixes #239.

Solution

Implements IT coverage for controller refactor.

how you tested the change

Unit tests and integration tests against OpenTSDB included.

Where the following done:

• Tests. Check all that apply:
  • Unit tests created or modified that run during ant test.
  • Integration tests created or modified that run during integration testing
    (Formerly called regression tests.)
  • Test procedure descriptions for manual testing
• Was relevant documentation updated?
• Were relevant config element (e.g. XML data) updated as appropriate

If you aren't sure leave unchecked and we will help guide you to want needs changing where.

[zack-rma]

In progress, relies on SiteResources controller refactor to be completed.

Based on refactor PR: #287