Website theme update

Greetings Archers,

After some hard work from some very dedicated folks, we have re-themed much of the Arch website.

Special thanks to a few key contributions so far: To Thayer for his logo and re-theme css work, and to Neotuli for his hard work on bringing the new look to the other Arch sites. Awesome work guys.

Thanks also to the Arch community, for waiting patiently for the updates to roll out.