Add basic specs for auxiliary "API v3" Controllers

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Add skeleton spec for "API v3" QueriesController

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Merge pull request #1369 from opf/feature/angular-api-specs

Basic spec coverage for "API v3" Controllers