Removed old scripts and stylesheets

These do not appear to be in current use.
Removed old Themes

These should not be in the current server anymore.

Could be published as separate repositories
Removed unused files

I used sitesucker to download all pages that were at most 4 clicks away
from creativecommons.org homepage.
These files were not used.
Merge pull request #2 from mzeinstra/master

Removed old files