break Chrome app HTML into separate file

I am so, so sick of these merge conflicts
vjs - version bump to 2.2.1
Merge branch 'master' into chrome-app

* master:
  vjs - version bump to 2.2.1
  break Chrome app HTML into separate file
begin to fix pack-crx script
grunt: ensure copying works right for Chrome app
grunt: no imagemin task, add images to copy task
working chrome.html file

cornify.js no longer 404s
remove appcache manifest, not necessary
finish fixing up chrome app packaging script