fixed a loss of context for 'this' keyword in backbone app

fixed loss of context for 'this' keyword when AppView instance method addAll calls AppView instance method addOne (in the backbone app).

Html escaping

Html escaping of Backbone underscore template

Bolding items left.
Trim todo input and prevent whitespace only todos.
Change content to title in model.
Double click on item div instead of just title.
Removed unused jslitmus.js.

Move the css to the assets folder

It only contains one rule, which should be in your global gitignore anyway

Fixed that @maccman appears twice in contributers list

Had to use the old GitHub v2 API, since v3 doesn't have a 'name' field...

Dynamically updated from the GitHub API

Grammo swat

@addyosmani Sorry was in a hurry and didn't see your changes. Fixed now.