Conversion to modern objective-C
Clean white style for the theme editor tabs
New theme infrastructure.
Integration of the new theme infrastructure.
Conversion to modern objective-C
update
Stop using old const & colours panel and use the editor from the themes stuff instead. We can remove the old panel later.
A couple of new keys for handling the themes.
Add a new error phrase and declare class method.
Abort on full list of errors.
Disable automatic replacements by default.
Probably not really necessary, but stop observing when we quit.
Stop observing when we close.
Make sure we do the setup only once.
Updated project.