Add twitter API and image processing gems
Create UpdateHistory model to store the last tweet checked in the timeline
Add twitter API connect and model helper methods
Add image processing class with image to hex method
Complete image to hex and empty folder methods to Image class
Added the main run loop for the bot
Fix last tweet checked db update issue
Add image to hex retweeter
Add some more comments for Image and bot class
Changed from string concats to string interpolation
Add rake task to run bot
Add class comment to TwitterApi class and cleaned controller
Untrack config YAML