Add a pause state to the game.
Add a pause screen.
Add EventEmitter to the project.
Add heir.js to the project.
Can pass a function to game.add
Add event emitter to game.
Fix resize bug, fixes #6
Fix resolution assigning.
Add an object that all game objects should inherit. Right now it only inherits EventEmitter. Could change.
Add GameObject inheriting.
Fix resoltuion handling, again.
Add a more object orientated method for event emitting, remove code duplication.
Add event emitting for each obj.
Add a pause button.
Put pause button behind Death screen.
Pause when losing window focus.
Merge pull request #1 from nathggns/issue-1

Adds the ability to pause.