Move pre loading of rich text editors to widget manager.
Typos in phpDoc for createEditMask().
Remove stale symlink.
Remove dead code from DC_General.php and DefaultController.
Housekeeping - code clean up in DC_General.php.
Remove DefaultController::delete() and move missing parts into BaseView::delete().
Remove obsolete variables.
Change language information into their own subclasses instead of perverting models for this purpose.
Reformat DcCompat and remove methods deleted in parent class.
Make DcCompat absorb an Environment instance instead of an DC_General.

This should render the first compat layer of passing DC_General to the
magically created event listeners obsolete.
Implement some more properties in DcCompat.