Added edit on Github link, with basic visual style
Modified the <a> tag to fill the entire button space.
Moved the indent level down two.
Added share/edit/etc links to the bottom, along with animation reqs.
Modif animation on share btns
Added footer to series and faq
Fixed the hidden button locations, and cleaned up the JS.
Added github icon to edit button
Increased the icon size.
Increased the horizontal space around the icon.
Merge branch 'master' into code-editongithub

Conflicts:
	.metalsmith/templates/head.toffee
Fixed the Sharebtns pushing down the footer when they show/hide