Merge pull request #691 from jfwood/verify-resource

429: Add files to refine error status
Remove keystone auth from verify branch
Merge pull request #696 from chadlung/verify-resource

Remove keystone auth from verify branch
Add newrelic error reporting to exception handler

Change-Id: I0feb5347f925b5646bc6bae3fcf2c506efd09f5a
Merge pull request #700 from dmend/verify-resource

Add newrelic error reporting to exception handler
Add retry capability to worker processes.