Wiki: fixed issue if you tried to set a page content to completely blank (you need to switch the html editor into text mode to get this, otherwise it puts in <br/>, but one of our QA people managed to find it anyway).
Wiki: fixed issue if you tried to set a page content to completely blank (you need to switch the html editor into text mode to get this, otherwise it puts in <br/>, but one of our QA people managed to find it anyway).

Also corrected whitespace on some of the lock stuff (weird - how did those tabs get in there? hrm)

dilawar/moodle