Fix indent.(avater_helper.rb)
Updated to modernizr v2.8.3, same custom build.
Updated notifications to use new html5 notifications instead of webkit deprecated api.
Added homescreen icon and meta tags for app to operate in web app mode on iOS and Android.
Added options to modifier callbacks, fixed music player playback on scroll.
Fixed auto-scroll to latest message when new activity appears.
Merge pull request #384 from alfajango/homescreen-mode

Added homescreen icon and meta tags for app to operate in web app mode on iOS and Android
Merge pull request #387 from alfajango/scroll-on-new-message

Fixed auto-scroll to latest message when new activity appears.
Merge pull request #381 from alfajango/notifications

Fix modernizer to work in Chrome, Firefox, Safari, and Opera
Merge pull request #385 from alfajango/music-player-fix

Added options to modifier callbacks, fixed music player playback on scroll
Merge pull request #379 from tbpgr/fix_avatar_helper_indent

Fix indent.(avater_helper.rb)
Merge branch 'master' into file-upload-button

Conflicts:
	app/assets/javascripts/lib/modernizr.js