* tinymce is not used anymore, we can delete the cuson CSS file
* mv the plugins_details template to addon_details
* renamed template called from admin panel
* some CSS classes that should be addon where still plugin
* Insert a warning into the generated quattro CSS files
- move checkboxes on first column
- move select/deselect all as button group on panel footer
- use existing jquery in mod_admin.js for select/deselect all functionality
- add page content wrapper, without padding
- fix user avatar size in "pending deletion" table
The aside menu in the admin panel is now handled in one array, which also
holds the submenu items. Also the sections of the menu are now a bit more
structured and separated from each other.
