These files were lost when rebasing this branch from master prior to commiting, not sure why
more cleanup.
Added a default value for XQUEUE_RABBIT_HOSTNAME

Was causing a flood of error logs in /mnt/logs/edx.log

Oct 11 15:48:21 hostname [queue.management.commands.run_consumer][env:sandbox] INFO [hostname  1630] [run_consumer.py:69] -  [*] Starting queue consumers...
Oct 11 15:48:21 hostname [pika.callback][env:sandbox] DEBUG [hostname  1630] [callback.py:161] - Added: {'callback': <bound method Worker.on_connected of Worker (u'http://localhost:18050', u'edX-DemoX')>, 'only': None, 'one_shot': False, 'arguments': None}
Oct 11 15:48:21 hostname [pika.callback][env:sandbox] DEBUG [hostname  1630] [callback.py:161] - Added: {'callback': <bound method SelectConnection._on_connection_start of <pika.adapters.select_connection.SelectConnection object at 0x2383990>>, 'only': None, 'one_shot': True, 'arguments': None, 'calls': 1}
Oct 11 15:48:21 hostname [pika.connection][env:sandbox] DEBUG [hostname  1630] [connection.py:810] - Attempting connection
Oct 11 15:48:21 hostname [pika.adapters.base_connection][env:sandbox] DEBUG [hostname  1630] [base_connection.py:98] - Connecting the adapter to the remote host
Oct 11 15:48:21 hostname [pika.adapters.base_connection][env:sandbox] DEBUG [hostname  1630] [base_connection.py:153] - Creating the socket
Oct 11 15:48:21 hostname [pika.adapters.base_connection][env:sandbox] INFO [hostname  1630] [base_connection.py:163] - Connecting fd 5 to $XQUEUE_RABBIT_HOSTNAME:5672
Oct 11 15:48:21 hostname [pika.adapters.base_connection][env:sandbox] ERROR [hostname  1630] [base_connection.py:109] - socket error: Temporary failure in name resolution
Oct 11 15:48:21 hostname [pika.adapters.base_connection][env:sandbox] ERROR [hostname  1630] [base_connection.py:118] - Could not connect: Temporary failure in name resolution
Update main.yml
Adding Philippe Chiu in AUTHORS since the CA has been signed.
Switching LOGLEVEL from DEBUG to INFO

Too much logs in DEBUG..
adding pymongo lib needed for ansible module
Merge pull request #333 from edx/jarv/fix-pymongo-bug

adding pymongo lib needed for ansible module
Stanford: correcting prod variables
Merge pull request #334 from edx/jrbl/edx-west-updates

Stanford: correcting prod variables
resolving merge conflicts
adding default host var for gunicorn
removing:

edxapp_cms_app_address: 127.0.0.1
edxapp_lms_app_address: 127.0.0.1
edxapp_lms_preview_app_address: 127.0.0.1

as they are replace by *_gunicorn_host
adding lists of hosts for nginx backends
adding new ec2_lookup module and termination support for provisioning
adding region param
formatting
adding region to terminate call
only terminate if the instance count is one
moving terminationg logic to launch_instance role