Improve feedback
try to improve scrolling experience
Remove autofocus since it is very mobile unfriendly
Consume less space on mobile
Improve mobile layout

* more densely packed channel switching buttons (increased their size to better match android design guidelines)
* disable zooming
* disable scrolling to the side
apply jshint on weechat
Add missing semicolons
Use not notation for objects
Use strict equals
Remove global variables
Remove unused variables and __proto__ inheritance
Visually highlight highlights
Move highlight style to correct file
Keep message/command history for each channel

* Can be navigated with up/down arrow keys
* Currently entered text is preserved when going into history
* When choosing a history entry, previously entered but not submitted text will be restored to input buffer

Closes #75
Remove files no longer needed due to use of Bower
Use dot notation in models
Delete trailing whitespaces
Add missing semicolons
Use strict comparators
Remove extra comma and unnecessary semicolons