Site updates 0.67

f3fe3b1 Add oily_png for faster PNG manipulation during asset compilation
6b61f16 Remove unnecessary executable bit on bg.jpg
e93f8e4 Add rel="next"/rel="prev" to pagination links
03bf2fc Spritify pagination icons
27ff95e Move Google Web Fonts into separate style link tag
50fb5c5 Move JS to the bottom of the page
d8311da Remove unnecessary jQuery document.ready wrappers