Revert "deleted comment line"

This reverts commit c68187ca83358ded57cef084a9a99dcdddad0a8e.
Revert "Revert "deleted comment line""

This reverts commit 1a8c8714a6e4fa55b518b642b23d8eeb13da3bf1.
Merge pull request #99 from gkoo/master

Check page visibility api when sending webkitNotifications
shuffle some unloading code from util to initialize
added animation to pulsate unread channel
Merge pull request #101 from ytamura/master

Animate pulsing of channel with unread messages
removed curly braces from stylus file
Merge pull request #102 from ytamura/master

removed curly braces from stylus file
page up/down keys from chat controls scrolls chat window
cleaning up
using clearer params
Merge pull request #103 from ytamura/master

scroll chat window with page up/down keys when chat input focused
Merge pull request #105 from gkoo/current-zindex

Add a z-index to the current chat window