added basic empty gluegun service
added spec for gluegun version
added request object

it holds a queue and a row_count, it can be parsed from json
gluegun now listens to queue
setup persistence and prefetch on request queue
added drawing data object
added collector class to gluegun
changed depth in an attempt to fix the travis build
trying to remove warning from travis when running rabbitmqctl
Another attempt at removing warning
Another attempt at removing warning
fixed odd travis bug

The problem comes from the ${VAR:=butts} lines. Since they're the only lines, bash executes them. I changed them to use a normal if.
made the travis rabbitmq script compatible with sh

The script is a sh and not bash script. This means that [[ ...  ]] conditions don't work.
drawing does not usr rmagick anymore
moved drawing class to commons
collector now acks all tags at the end
extracted response in request queue to its own class
collector now uses new drawing_queue
added integration tests for drawing_queue
added integration tests for request_queue