[MASTER] Restrict ChangeFilter for rostests to the master branch

BuildBot now receives information about all pushes, but still only builds pushes to "master" automatically.

Author: ColinFinck

master/master.cfg

@@ -160,7 +160,7 @@ c['schedulers'].append(schedulers.SingleBranchScheduler(
 
 c['schedulers'].append(schedulers.SingleBranchScheduler(
     name="rostests",
-    change_filter=util.ChangeFilter(category='rostests'),
+    change_filter=util.ChangeFilter(branch='master', category='rostests'),
     treeStableTimer=None,
     builderNames=["Test WHS"]))