Fixed logging to hopefully be easier to read.
added log_file config setting.
Changed URL parametre to connect w/ RabbitMQ.
Port setting removed as it is not defined in the standard amqp url
setting.
Changed up logging to hopefully be easier to read.
Fixed up default settings and wording. Closes #14.
bumped all versions.
bumped shoal-server version
Bumped versions, fixed setting log file.
If user cannot write to /var/log/ shoal will alert the user and
gracefully die.
Fixed default values as they were wrong.
Catches error if rabbitmq server not available.
Merge branch 'dev'

Conflicts:
	shoal-server/shoal_server/__version__.py