[Fix bug 984252] Fix events API local start/end dehydration.

* When using USE_TZ=True, tastypie converts DateTimeField to the timezone specified.
* To fix that, in local start/end dehydration we return naive datetime.
[Fix bug 1044790] Fix user availability form submission.

* Fix date parsing in datepicker initialization.
* Fix KeyError in availability form clean method.
[fix bug 1022393] Do not send inactivity notifications to unavailable users.
Merge pull request #792 from johngian/1044790

Fix form validation in user availability edit page.
Merge pull request #788 from akatsoulas/1022393

[fix bug 1022393] Do not send inactivity notifications to unavailable users.
[fix bug 1038644] Change the color of the edit voting button to grey.

* Move the vote button below the vote options.
Merge pull request #783 from akatsoulas/1038644

[fix bug 1038644] Change the color of the edit voting button to grey.
Added links to Reps Portal and BMO
[Fix bug 1038600] Make URLs clickable in automated poll pages.
Merge pull request #794 from tanay1337/master

Added links to Reps Portal and BMO
Merge pull request #793 from johngian/1038600

Make URLs clickable in automated poll pages.
Fix failing tests on comment voting.

The post_save signal triggered from PollFactory caused a random failure
in the mail.outbox length assertion.
Merge pull request #796 from johngian/fix-tests

Fix failing tests on comment voting.
[bug 976099] Redirect to the current page after sign in.
[fix bug 1026962] Display a comment with a user's vote on a budget poll.
[bug 1026956] Extend polls with no majority decision for 24 hours.

* Send reminder email marked as urgent on voting extension.
* Migrate remaining voting cronjobs to celery.
* Remove unused daily voting reminder cron.
Merge pull request #786 from akatsoulas/1026962

[fix bug 1026962] Display a comment with a user's vote on a budget poll.
Merge pull request #798 from johngian/1026956

[bug 1026956] Extend polls with no majority decision for 24 hours.
[bug 1048132] Migrate featured_rep users to m2m table.
[bug 1048132] Delete foreign key to User from FeaturedRep table.