Make use of favico an option

@tribut: does this resolve your issue?
Update title with unread count

Further discussion required on a few points:
* show notifications only or unread lines as well?
* only use this when favico is disabled, or indepently?
I welcome all feedback.

Fixes #22
Use ngAnimate to animate sidebar hiding/showing
use alt-g for filter bufferlist

this is more consistent with the other existing shortcuts and is also
the same shortcut go.py recommends in weechat-curses
use consistent format to explain shortcuts
make enter switch to the first match in the list
Notifications: Improve channel detection
Only update title for notifications, not other kinds of activity

Also make the unread count the first thing in the title
localstorage: Correctly check whether value is set before setting default

The old condition always overwrote boolean values that were set to false
with the default m( Check for undefined instead.
Merge pull request #167 from tribut/mimic-go-py

Make buffer filter more keyboard friendly
Reinitialize context when relay closes connection

Fixes #73
Merge pull request #168 from lorenzhs/notifications

Notifications: Improve channel detection
Use CSS classes instead of javascript for margin
Merge pull request #166 from torhve/swipe-animate

Use ngAnimate to animate sidebar hiding/showing
Merge pull request #169 from cormier/fix-73

Reinitialize context when relay closes connection
Merge pull request #163 from lorenzhs/flashtitle

Flash title when receiving lines in the background & make use of favico configurable
Fix "Switch to buffer with activity" skipping buffers with notifications

This caused two buffer switches in a row, in effect forgetting the notifications
Merge pull request #170 from lorenzhs/fixactivityswitch

Fix "Switch to buffer with activity" skipping buffers with notifications
Fix scrolling on mobile devices

Previously, we were scrolling the div, not its contents, as it grew infinitely.
Thinner scrollbars and larger buttons on mobile

Give those buttons a size where there's at least a chance to hit them with a finger