Merge pull request #4 from timanglade/fade-in

Add small logo + shadow to header
Make external links open a new tab
Apply toggle nav logo on click for mobile main page
Add apache+retina variant for small logo
Adjust rendering of small logo
Adjust kerning of big logo
Add github buttons, various links and metatags for social
Minor adjustments to masthead responsive flow
Merge branch 'buttons' into timanglade
Add proper credit ;)
Add copy to homepage
Merge branch 'homepage-copy' into timanglade

Conflicts:
	index.html
Merge branch 'credits' into timanglade

Conflicts:
	index.html