Add appbar to main page, update toolkit

Add the appbar to the main page and update the WP toolkit version. Also
add readmes on how to obtain 3rd-party projects (qr control and wp
toolkit).
Change Colours
One more colour change. This changes to Colour Lovers' Car/Im4/Cli/Vic/
palette. A different background texture is used.
Remove Colour Lovers
Colour Lovers uses restrictive licensing. Breaking away from it now.
Fix Blockname
The main block name was changed from body to content.
Merge branch 'master' into design
Migrate to 960gs
This migrates the layout to 960gs grid system.