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

Jarv/provision

Jarv/new mongo

re-apply ec2.py fixes for inifile

Re-enable set by command-line option and environment file.  We need this
at Stanford so we can get private DNS names to use with VPC's.

The only interesting change is moving the option parsing up a bit.

Make easy to use host names.