Add difficulty increasing
Merge branch 'master' into dev_alberto
Moved jump behavior inside a function
Disabled automatically pause if the browser tab the game is in loses focus
Add platforms
Merge branch 'master' into dev_alberto

Conflicts:
	app/assets/javascripts/game.js

Merge Ed version with mine
Platforms get deleted when exit from the screen
Add points
Change explosions
Merge branch 'master' of https://github.com/albertodotcom/rick_rampage
Merge branch 'master' into dev_alberto

Conflicts:
	app/assets/javascripts/game.js

Merge Luke's changes with Alberto's ones
Merge pull request #11 from albertodotcom/dev_alberto

Explosions, Scores and new Platforms