Fixes bug 1097988 - adds bugs_service.Bugs into Django API
* Adding config file to APP_CONFIG with different root
* Adding local.py-dist config for dataservice ini and pwd to ci.sh for testing
* add dataservice.ini-dist copy to django boostrap.sh
* Moving config -dist copy into scripts/bootstrap.sh for django support
* Change SignaturesByBugs to use dataservice Bugs
* Add memoize function and push a couple config options into dataservice for caching
* Removed tests for dont_cache