Implemented fact scan storage logic.

* added mongo connection logic
* added mongo dbtransform logic to allow keys with . and $
* altered tower fact scanner CacheModule to emit a message for each fact module facts (including ansible facts). Previously, seperate facts module facts were getting concatenated to each subsequent emi
* tower fact scanner CacheModule timeout set as to not hang for forever
* broke apart commands.py test
* added unit test for run_fact_cache_receiver, facts, and dbtransform

awx/settings/development.py

@@ -14,6 +14,8 @@ from split_settings.tools import optional, include
 # Load default settings.
 from defaults import *
 
+MONGO_DB = 'system_tracking_dev'
+
 # Disable capturing all SQL queries when running celeryd in development.
 if 'celeryd' in sys.argv:
     SQL_DEBUG = False