[Buildbot] #3254: gitlab merge request webhook should trigger a try build

[Buildbot trac]

#3254: gitlab merge request webhook should trigger a try build
------------------------+------------------------
Reporter:  dank         |       Owner:
    Type:  enhancement  |      Status:  new
Priority:  major        |   Milestone:  undecided
 Version:  0.8.12       |  Resolution:
Keywords:               |
------------------------+------------------------

Comment (by dank):

 I'm prototyping a new version of this.  Here's a draft of doc changes
 describing the
 new version:
 https://github.com/dankegel/buildbot-x/commits/bug3254-gitlab-try-gateway-
 nine

--
Ticket URL: <http://trac.buildbot.net/ticket/3254#comment:4>
Buildbot <http://buildbot.net/>
Buildbot: build/test automation