Ok - gotcha - thanks for the update!
I am trying to use the mattermost-integration-gitlab project now, but it doesn't seem to want to push data. This is with gitlab 8.1.2 - I'm getting the following from the integration server:
10.65.185.5 - - [29/Oct/2015 21:46:47] "POST / HTTP/1.1" 405 -
so I think I must have something misconfigured. I'll keep trying 