change window.innerWidth and window.innerHeight to Utils.getViewportWidth and Utils.getViewportHeight
change window.innerHeight and innerWidth to Utils.getViewportHeight and getViewportWidth
Merge branch 'bugfix'

Conflicts:
	src/app/views/ActivityItemView.coffee
	src/app/views/BandMenuItemView.coffee
	src/app/views/PlayView.coffee
	src/app/views/ReviewView.coffee