updated contributing doc to reference CATS
Remove ruby1.9.3-p545 from blobs

Signed-off-by: Joseph Palermo <jpalermo@pivotallabs.com>
Merge pull request #402 from jbayer/master

updated contributing doc to reference CATS
Adding new uaa_resource_id to jobs

* Supporting reduced scope for access to /v2/service_instances/:guid/permissions

[#68037500]