Method implementations for TimeSeriesResources Controller in REST API

[zack-rma]

Problem Description

Fixes #233.

Missing methods/functionality for REST API.

Solution

Adds missing functionality to Toolkit for usage in REST API.

how you tested the change

Tested in REST API against OpenTSDB instance.

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.