Added the documentation
working on post
added the back-end for post. (adding a new wiki)
Cleaned up code and added "link to database wiki if it exists" functionlity.
Merge remote-tracking branch 'origin/postWikiWorkInProgress' into TobiasBranch
Merge remote-tracking branch 'origin/Documentation' into TobiasBranch
small fix for the error handler.
Added addWiki functionality.
Merge remote-tracking branch 'origin/postWikiWorkInProgress' into TobiasBranch
Wikis in category page now has clickable links.