bug 614541 - Supply username to verify bump commit in release updates…

… factory, r=bhearsum

process/factory.py

@@ -4219,7 +4219,7 @@ def bumpVerifyConfigs(self):
             ))
         self.addStep(ShellCommand(
          name='commit_verify_configs',
-         command=['hg', 'commit', '-m',
+         command=['hg', 'commit', '-u', self.hgUsername, '-m',
                   'Automated configuration bump: update verify configs ' + \
                   'for %s build %s' % (self.version, self.buildNumber)],
          description=['commit verify configs'],