[Fix Bug 962191] Migrate groups without a curator to accept new members
[Bug 938005] Fix timezone helper tests
[Fix Bug 961206] improved Requested button to read “Confirm Request” for curators but still reads as “Requested” for normal users. Normal users no longer see a hover state since it is not a button.
curators always see a blue button
reversed including filters on this branch. that was another bug.
Fix bug 963295 - Fix group merging
[fix bug 961060] Add certificate icon next to group name if user is curator.
Fix bug 938005 - Display current time in profile user's timezone
Remove --no-site-packages flag from the doc.

The --no-site-packages behoviour has been default since
Virtualenv 1.7.

See http://www.virtualenv.org/en/latest/news.html#id17
for more information.
Fix a markup error.
Merge pull request #783 from berkerpeksag/patch-2

Fix a markup error.
Register now_in_timezone as jinja function.
Merge remote-tracking branch 'berkerpeksag/patch-1'

https://github.com/mozilla/mozillians/pull/782
[Fix Bug 951513] Curator alignment

Squashed commits:
restored curator detail layout placement.
removed unnecessary nesting
removed unnecessary margins from curated group info box contents.
Merge pull request #787 from Sancus/fixtmzutilstests

[Bug 938005] Fix timezone helper tests
Merge pull request #786 from Sancus/legacygroups

[Fix Bug 962191] Migrate groups without a curator to accept new members
Merge pull request #775 from caktus/963295-fix-group-merging

Fix bug 963295 - group merging
Merge pull request #780 from glogiotatidis/961060

[fix bug 961060] Add certificate icon next to group name if user is cura...
Merge pull request #779 from caktus/951513-group-info-alignment

951513 group info alignment
[fix bug 949080] South migration for twitter usernames.

Remove '@' from the start of twitter usernames.