If you would like to contribute to the development of OpenStack, you must follow the steps in documented at:

http://wiki.openstack.org/HowToContribute#If_you.27re_a_developer

Once those steps have been completed, changes to OpenStack 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:

https://bugs.launchpad.net/glance