increase coverage for process coordinator
Added worker_registry_tests
Fix line and file endings.
implementation of Backend connection with Hash
Merge pull request #1134 from cih/worker_registry_tests

Added worker_registry_tests
Merge pull request #1139 from KNEIP/master

implementation of Backend connection with Hash
Merge pull request #1137 from benmanns/fix-line-and-file-endings

Fix line and file endings.
Merge pull request #1114 from fillman/master

increase coverage for process coordinator
Attempt to infer queue from worker class
Removing errant 'pry' from Gemfile