CSS organization

 On branch master

	modified:   public/stylesheets/main.css
Site branding re-construction

 On branch master

	modified:   public/index.html
	modified:   public/scripts/main.js
	deleted:    public/stylesheets/images/social_button_sprite.jpg
	new file:   public/stylesheets/images/social_button_sprite.png
	deleted:    public/stylesheets/images/social_button_sprite_hover.jpg
	new file:   public/stylesheets/images/social_button_sprite_hover.png
	modified:   public/stylesheets/main.css
Better video modal

 On branch master

	modified:   public/scripts/main.js