The AppCode IDE creates several files in the subfolder .idea, that is not needed in repo for compiling so ignoring. May be better to ignore locally using .git/info/exclude? Try later
Initial experiments with AppCode
Merge branch 'feature/Exp_with_AppCode' into develop
Persist high scores using NSUserDefaults

CardGameViewController
 - Updating high scores whenever a game is completed (triggered by clicking of redeal button).
 - Score displayed in Red when negative and black when positive

Constants
 - Played around with several ways to declare constants in central file

FormatCardContent
 - Initiated move of formatting card content code to separate class for reuse.
Eliminated warning of avoid property getters with side effects: Changed   [NSUserDefaults standardUserDefaults].synchronize; -->   [[NSUserDefaults standardUserDefaults] synchronize];
Implemented  - Highlight highest score, least duration, latest play
Merge branch 'feature/High_Scores' into develop
Merge branch 'develop'

* develop:
  Eliminated warning of avoid property getters with side effects: Changed   [NSUserDefaults standardUserDefaults].synchronize; -->   [[NSUserDefaults standardUserDefaults] synchronize]; Implemented  - Highlight highest score, least duration, latest play
  Persist high scores using NSUserDefaults
  Initial experiments with AppCode
  The AppCode IDE creates several files in the subfolder .idea, that is not needed in repo for compiling so ignoring. May be better to ignore locally using .git/info/exclude? Try later