Game now runs in the facebook canvas.
Bumped version, updated HISTORY file.
Refactoring of hiscore saving using FB.

Change: Removed old hiscore file as it is no longer required.
Add: Routines to load/save scores from FB scores using Graph Api.
Add: Configs of app production and dev now configurable using globals.
Change: Updated styles of menu button positioning.
Added exclude rules for Eclipse files in .gitignore file.