Started working on unit tests
Non looping hints and arrows highlighted

Arrows are highlighted if it is possible to go in that direction.
Refactored referenceUI.coffee
Merge branch 'master' of github.com:bponnaluri/javaplayland
Added size parameter for referenceUI.coffee windows
Modified TestDriver.html
LOTS OF EXCLAMATIONS
Updating bbar: Lavanya Iyer
Updating cloud: Lavanya Iyer
Updating codeland: Lavanya Iyer
Updating gameSelection: Lavanya Iyer
Updating coffee files: Lavanya Iyer
Updating everything else: Lavanya Iyer
merged in code from seniors