added rubocop todo list to mask current fails

Change-Id: Ie20d01a724c25d62005cca52c491ac756ae849d1
Make sure the linuxbridge agent can be restarted

Add notifier to restart linuxbridge-agent when linuxbridge plugin
configuration file is updated.

Closes-bug: #1254981

Change-Id: I67e071d35c77f6ec36c8f2fd2bea34616801a486
Merge "added rubocop todo list to mask current fails"