Updated openstack/openstack
Project: openstack/horizon  dbb1538a48a71c085943f98942d786bc4bb414bd

Modified docs to list supported browsers

As reported in the bug, the documentation needs to be updated with
a list of browsers we support. This patch adds faq entry and updates
information for contributing.

Change-Id: I6218194d031bc6b47a0fd13e5e11749df441398b
Closes-Bug: 1359246