Fixed #418, no more print/save dialogues evaaarr.

app/application.coffee

@@ -5,10 +5,12 @@ locale = require 'locale/locale'
 Tracker = require 'lib/Tracker'
 CocoView = require 'views/kinds/CocoView'
 
+# Prevent Ctrl/Cmd + [ / ], P, S
+ctrlDefaultPrevented = [219, 221, 80, 83]
 preventBackspace = (event) ->
   if event.keyCode is 8 and not elementAcceptsKeystrokes(event.srcElement or event.target)
     event.preventDefault()
-  else if (key.ctrl or key.command) and not key.alt and event.keyCode in [219, 221]  # prevent Ctrl/Cmd + [ / ]
+  else if (key.ctrl or key.command) and not key.alt and event.keyCode in ctrlDefaultPrevented
     event.preventDefault()
 
 elementAcceptsKeystrokes = (el) ->

app/views/editor/thang/colors_tab_view.coffee

@@ -21,6 +21,10 @@ module.exports = class ColorsTabView extends CocoView
     @interval = setInterval f, 1000
     super options
 
+  destroy: ->
+    clearInterval @interval
+    super()
+
   afterRender: ->
     super()
     @createShapeButtons()

app/views/play/level/playback_view.coffee

@@ -44,7 +44,6 @@ module.exports = class PlaybackView extends View
     '⌘+[, ctrl+[': 'onScrubBack'
     '⌘+], ctrl+]': 'onScrubForward'
 
-
   # popover that shows at the current mouse position on the progressbar, using the bootstrap popover.
   # Could make this into a jQuery plugins itself theoretically.
   class HoverPopup extends $.fn.popover.Constructor