Removal of unused sound effects
Add in observer.js to html
Temporary allow character to go haywire
Update PlayEditor

To retrieve the dropdown selected items for the IF statement
Implement IfCommand

Implemented IfCommand class. No testing yet, mainly a stub
Update If statement code display

Pre fix some items for selection for the If statement
Major change to Command Hander and Processor

CommandHandler:
- Updated to recognise and construct If Statement.
CommandProcessor:
- Allow registration of observers
- Notify all observers to any command execution

*** Not: NO execution of If statement yet!
Add constants to the Game

CHARACTER_*:
- Constants for the boundary of the Character Object within the editor
GOAL_*:
- Constants for the boundary of the Goal Object within the editor

*all other valid characters