vjs - version bump to 1.2.1
better markup accessibility
fix aria-labelledby typo
implement grids while removing some unnecessary code
update TO DO: remove grid, add spacing
better contenteditable highlighting
update DOM refs for monster & player
contenteditable polyfill was broken, revert to window.prompt
DRY with prompt.forceInt()
minor css tweaks, much more DRY nav-spacing mixin
Merge branch 'master' into chrome-app

* master:
  minor css tweaks, much more DRY nav-spacing mixin
  DRY with prompt.forceInt()
  contenteditable polyfill was broken, revert to window.prompt
  update DOM refs for monster & player
  better contenteditable highlighting
  update TO DO: remove grid, add spacing
  implement grids while removing some unnecessary code
  fix aria-labelledby typo
  better markup accessibility
  vjs - version bump to 1.2.1