Imported excerpt from Wordpress and write out the "description" header.
Strip 'index.html' from permalink before looking up mapping.
Made tagify work for single tag or list of tags (like tag_cloud).
Pass the original tag name in Tag view to the template.
No reason to safeslug it - the user can do that from the template.
Merge pull request #196 from geekman/fixes

Various fixes
Escape quotes in HTML attributes.