add interface+docs around resource factory

re following official "Wire up a BAckend" demo:
http://angularjs.org/#mongolab-js
minor fixes+typings, mostly adding documentation

angularjs: docs around first page tutorials
jquery: fix for known lib.d.ts big
knockback: add typing for observable based on tutorial, add docs around
observable.
Merge remote-tracking branch 'upstream/master'

Conflicts:
	jquery/jquery.d.ts
Merge pull request #283 from Novaleaf/8774102c60d6173f7aa88bd42e1bad40a71a5607

well try again with the pull request....