Triggers ported over to apps
Triggers ported over to apps

Added functionality to setup github trigger to apps.
Added documentation to the AppCommand

Change-Id: I62138b955a148493c3bb023d7886afc6eabd7c52
Closes-Bug: #1498182

stackforge/python-solumclient,stackforge/python-solumclient,openstack/python-solumclient