Benchmarks: REST specs, 'resume' test, various minor

Adds REST API JSON definitions.
Adds test for resume functionality.
Various minor changes, e.g. adding getter

Benchmarks: Remove obsolete class.

Benchmarks: Remove broken REST tests

These tests need to be re-written so just removing them for now as they
are obsolete.

Benchmarks: Ignore incomplete tests

Benchmarks: Integration tests

Add test for aborting a running benchmark.

Benchmarks: Test for 'resume' functionality

Adding a test for resuming a paused benchmark.

Benchmarks: Verbose responses

Pass 'verbose' flag through to allow detailed responses.

Benchmarks: Add missing getter

Missing getter method.

Backing out mistaken commit