This reverts commit a41bdbb5.
The former commit has broken the navigation in wikis and content packages

In very rare case, the current question is suspended before committing
the responses, ensure this is not the case, if it is the case, unsuspend
the current item. Update to QtiWorks 1.0.21 which relax the unsuspend
check to select new question in non linear form

Close ofter the hibernate session while deleting a learn ressource or a
files and directories

openolat#264: new role coursereader for read-only access to the list of courses, their configuration and the members

openolat#263: do add classes without o_icon prefix also to the surrounding div to be able to disable entries