If you would like to contribute to Savanna, please, take a look at the following page:
https://savanna.readthedocs.org/en/latest/devref/how_to_participate.html
Once those steps have been completed, changes to Savanna should be submitted for review via the Gerrit tool, following the workflow documented at:
http://wiki.openstack.org/GerritWorkflow
Pull requests submitted through GitHub will be ignored.
Bugs should be filed on Launchpad, not GitHub: