[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.
[bug 976099] Redirect to the current page after sign in.
Change ordering to FeaturedRep model.
Merge pull request #784 from johngian/984252-timezone

[Fix bug 984252] Fix events API local start/end dehydration.
Merge pull request #799 from glogiotatidis/976099

[bug 976099] Redirect to the current page after sign in.
Merge pull request #801 from akatsoulas/update-featured-order

Change ordering to FeaturedRep model.