Merge pull request #167 from orta/placingbid

@ashfurrow => Add support for finding out if you're the highest bidder
Merge pull request #171 from orta/location

@ashfurrow => Create / Update Postal Codes
Merge pull request #174 from orta/location

@ashfurrow => minor fixes
Updated SwiftyJSON.
Performance issues.
Merge pull request #177 from AshFurrow/thread-ness

[WIP] @orta => Addresses sync performance issues
admin panel, and registration says enter your artsy password if needed - fixes #179
fix runloop timing issue for countdown - fixes #175
don't animate collectionview layout changes
image aspect ratio fixes #168
adds the ability to go back to different registation views
little animations to the popover
clear all cookies between auth'd sessions