cleaned SVN and fixed everything for the WP plugin repo.

cleaning SVN

Imported full subversion history

forced file name change

fixed TOC error, improved pages-to-wiki functionality, added RTL supp…

…ort, fixed fatal error on settings page

Implemented widgets, fixed handling of namespaced internal links, bum…

…ped version number

Moved main plugin code into its own class per the suggestion of the W…

…ordPress IRC channel.

Fixed emphasis bug and turned on TOC by default.