Server-side changes

Optimizing recognition code (AddObj & ObjRec)
Changed yml save directory
Server Changes & iPad Support

PHP has functionality to receive image filename from Amazon SQS,
download image from S3, execute object recognition and delete all
associate files for reduced overhead.
An iPad interface was also implemented for demonstration purposes
Finished iOS <-> Server Communication

iOS application now send unique id to server, in order to match results
with the correct device. The server echos back match information
including object name and match percent. The application checks for
results on queue every second (on the background thread) after
uploading an image.
iPad UI Fixes

Changed auto layout constraints and main image view
Added icons
Updated icons