Allows for management of template spaces using the TinyMCE editor.
Added more descriptive class names Changed structure of output functions to make them more useful when overridden Passed some helpful variables into filters
Made manager variable available to widget subclasses. Added over-rideable spaceName and spaceContent functions.
Changed static reference to beforeZone, beforeSpace, beforeSpaceName, afterZone, afterSpace, afterSpaceName so that they can be overridden by sub classes.
Fixed problem that caused non administrators to be locked out of the admin
Initial plugin creation