added highlighting of row when selected (CustomRowUIView)
added logic to split Subject and Body for email, when Sharing
added AppStore link in the Share message
Added the new MathScore object (no UI)
Added CHDataStructure code (doesn't compile now, as want to keep it original)
- add circular buffer to be used for scores (added from CHDataStructure library)
- set -fno-obj-arc for library files
- added view score functionality
  > added custom table view cell for scores - ScoreTableViewCell.h/m file
  > save score in persistence
  > added new attributes in mathscore object
- split More tab into 2 sections of table view. Added View Score
- added date formatting utilities for view score
userinterface file