LDEV-1324 Allow group admins/managers to edit group details, but not group permissions; group's status editable by admin/manager when 'canChangeStatusOfCourse' is enabled; refactored organisation related jsps into their own directory.
LDEV-1298 Apply tablesorter to 'find user' search results. Also tweaked css settings for results table (table headers look more like the old table, don't sort on the 'actions' column)