added max-age header to userfiles
whoops looks like the max-age takes in seconds not milis. Fixed this and added and Expires header
fixed thumnbail issue by switching to node-imagemagick and using its resize command
removed gm as a dependency and instead used fs.stats to determine file size
implemented flippant.js via a pure angular directive
implemented ng-model
made flippant directive adaptable to all kinds of content
hooked up an updateModel function within flippant that can be accessed by any arbitrary parent controller
made the directive more flexible and added documentation via a comment header
little tweak
fixed a few cross-browser compatibility issues with flippant by using jQuery for any css manipulation