added demo app project, with sample food data set, began constructing demo app
very basic version complete
fixed several data escape errors
basic demo working and connected to PIO server
adding more functionality to interact with PIO server
adding ui elements to demo
adding more ui elements for user action interaction with PIO
image view now loading
more ui fixes, sending actions to local pio server now
added user view controller
moved pio client logic to app delegate, added more ui elements for interaction with pio server
added ability to switch users, and now current user saved persistantly
added top n recommendation view controller
now showing top 15 recommendations for all users
more ui updates, now topn rec is showing correctly now
better error messages, small UI fixes/updates
Merge pull request #3 from agrinman/master

Demo App: Food Predictor