ASGARD-1174 - Init screen on Firefox should not do infinite redirects

It also should not show the loading screen when the administrator still hasn't configured Asgard yet.

Instead, Firefox should immediately show the message about why Firefox is currently incompatible.
Merge pull request #327 from joesondow/ASGARD-1174-Init-Firefox

ASGARD-1174 - Init screen on Firefox should not do infinite redirects
Asgard version 1.2 update with release notes
Merge pull request #335 from joesondow/ASGARD-1174-release-1.2

Asgard version 1.2 update with release notes
Merge remote-tracking branch 'upstream/master'