Stop the settings dialogs from requiring special styles on the
mx_Dialog which required passing in a classname from anywhere the
settings dialogs were opened (although this still requires
static=true). Some of the things have now been adopted for all dialogs
(border-radius), others have been moved to within the dialog content.
This takes out the old user and room settings, replacing the paths with the new dialog editions. The labs setting has been removed in order to support this change.
In addition to removing the old components outright, some older components which were only used by the settings pages have been removed. The exception is the ColorSettings component as it has a high chance of sticking around in the future.
Styles that were shared by the settings components have been broken out to dedicated sections, making it easier to remove the old styles entirely.
Some stability testing of the app has been performed to ensure the app still works, however given the scope of this change there is a possibility of some broken functionality.
