Add SUBSCRIBE/NOTIFY tests
Merge branch 'master' of github.com:Metaswitch/clearwater-live-test into sub_not
Updates to live test
Merge branch 'master' of github.com:Metaswitch/clearwater-live-test into sub_not
Merge branch 'master' of github.com:Metaswitch/clearwater-live-test into sub_not
Merge branch 'master' of github.com:Metaswitch/clearwater-live-test into sub_not
Updates after review
Merge pull request #44 from Metaswitch/sub_not

[Reviewer: Alex] Sub not