Merge pull request #135 from aelkikhia/master

refactored, added unit testing, functions to coordinator
callback resource
Merge remote-tracking branch 'upstream/master'
Update project structure, remove "worker"
Update project structure, remove "worker"
Merge pull request #136 from chadlung/master

Update project structure, remove "worker"
unit tests for callback resource
Merge remote-tracking branch 'upstream/master'
pep8
update for header TYPE to be a list
Merge pull request #138 from stevendgonzales/master

callback resource and unit tests
Adding the broadcast routes JSON example file
correcting persona app.py to include callback and corections to coordinator startup and unit tests
Merge pull request #139 from chadlung/master

Adding the broadcast routes JSON example file
Merge pull request #140 from stevendgonzales/master

Updated persona startup files and Unit tests
changes to config cache to use "routes" instead fo "pipeline_workers"
Merge pull request #141 from stevendgonzales/master

updated cache to use "routes" instead of "pipeline_workers"