Track badge state

[brisbang]

Badges should not be awarded based on external code but should self-regulate based on events
For example:

• A badge for 'winning the game on any difficulty' should link to the OnWin event and then set its state to awarded

So a badge should have a state property:

• AlreadyAwarded
• Possible
• NotPossible
• Awarded

Then hooking into the events of the game should help it to know what's going on.

Then the master view screen should read all badges and determine color based on the state.