OO-1616: used named query for some queries which are often used, get user course infos with the resource ( hitting the foreign key directly )

OO-1635,OO-722: refactor the ajax by iframe to use XHR, push the current business path to the browser via HTML5 push state, implements back button support via HTML5 History API...

OO-1624: remove user object and ident from the list of open node ids, preselect the node of the CP instead of always take the first

OO-1615: springuifie mail package, rest package, question pool module... remove unused dependencies...

OO-990: only retrieve the roles once, use them for all access security control, retrieve the groups only if the roles coach, participant or waiting are there... to minimize the number of queries

OO-1159: a better fix to the issue with the resume as perfect solution is not possible without refactoring

OO-990: merge run controller with author details in an unified runtime environment for repository entry

OO-1068 don't animate menu on small screen reload, add custom form footer message for login, hide toolbar in course sites, add icon configurability

OO-1068 show full bread crumb path in course, more theme configurability, add 'realistic' styles as theme option

OO-984: only show not booked in favorit, catalog and search, don't RS if doesn't allow to edit a course, not guilty of becoming wrong REST url

OO-981: check if the catalog is enable in details of course, add a "feature enabled" for site configuration

OO-1068: finish selenium test which plays with course and cp, create 2 tests to create a course with a wiki