Add namespace to dist-git fedmsg messages (#5245)

For https://fedorahosted.org/fedora-infrastructure/ticket/5245

roles/git/hooks/files/post-receive-fedmsg

@@ -16,6 +16,7 @@ import fedmsg.config
 abspath = os.path.abspath(os.environ['GIT_DIR'])
 # This assumes git root dir is named "repo_name.git"
 repo_name = '.'.join(abspath.split(os.path.sep)[-1].split('.')[:-1])
+namespace = abspath.split(os.path.sep)[-2]
 
 username = getpass.getuser()
 
@@ -111,6 +112,7 @@ for line in lines:
             rev=unicode(rev),
             path=abspath,
             repo=repo_name,
+            namespace=namespace,
             branch=branch,
             agent=os.getlogin(),
         )