Added question partial
Question answers in feed now only show three and from most popular
You can now delete questions and answers.
header and css changes
Added menu and functionality.
Merge branch 'landing' of https://github.com/nickmealey/asknow

Conflicts:
	app/assets/javascripts/application.js
	app/assets/stylesheets/application.css.scss
	app/assets/stylesheets/base.css.scss
	app/assets/stylesheets/layout.css.scss