Merge pull request #42 from kklimonda/master

Enable filtering over the published field
Change position and label of upload field.
Added ability to delete pins.
Fix CSRF bug.
Replacing PIL with Pillow, PIL seems to be dead is is having issues on newer systems, Pillow is it's continuation.
Removing the dependency of django-thumbs.
Allow for some branding.
Improve IE support and move options to right side of images with some padding.
Cleaning up code.
Update readme removing the issues we had with PIL since we now use Pillow.
Added some production settings. Moving to travis-ci for testing. Added feature to stop new registrations.
Added travis build status to readme.
Update readme wording.
Specify travis branch.
Add in some new settings.
Now using compressor and trying to fix test CSRF issue.
Fixing locations of static resources since we are now using compressor.
Fix thumbnails.
Fix image resizing.
Use git pull of django_compressor.