Merge pull request #503 from fxa90id/Bug_845793

[fix bug 845793] Add "Browse Functional Areas" view
[fix bug 859943] Delete incomplete accounts automation.
Template cleanup.
Add public search index to local.py files
Merge pull request #513 from glogiotatidis/cleanup

Template cleanup.
[fix bug 884007] Don't allow public groups.
Merge pull request #516 from glogiotatidis/public-groups

[fix bug 884007] Don't allow public groups.
[fix bug 884545] Update mozillians mailing list url.
[Bug 884496] Small style fixes for new styles.
Merge pull request #518 from juliaelman/884496-style-fixes

[Bug 884496] Small style fixes for new styles.
Add curated info block on group view page; fix Safari layout bug.
Merge pull request #517 from hoosteeno/master

[fix bug 880072] Improve layout/fix bugs on group detail page.
[fix bug 884479] Remove settings.MEDIA_URL from RegisterMiddleware when Debug = False
Merge pull request #523 from Sancus/fixmiddleware

[fix bug 884479] Remove settings.MEDIA_URL from RegisterMiddleware when ...
[fix bug 884856] Don't try to register anonymous users.
Merge pull request #520 from glogiotatidis/884856

[fix bug 884856] Don't try to register anonymous users.
Merge pull request #519 from glogiotatidis/884545

[fix bug 884545] Update mozillians mailing list url.