OO-2732: implement a matchInteraction with drag and drop (fallback to click possible) with slightly enhanced editor and word export

OO-2756	: add progress bar and percent value for score, add section summary for the questions correct, answered, and not answered

OO-2649: fix behavior of associateInteraction with unlimited associations, fix reload issue where the old answer is not correctly loaded...

OO-2583: implement maximum time limit for assessmentTest and allow the test course element to override it

OO-2579: guess if the modal feedback come from our editor and if yes, decorate them with a CSS class

OO-2515: save the master file untouched, deliver  more pixels for the print view of the members course element, add REST api methods to check if a particular size of portrait is available

OO-2433: save key and value found in auto completer, add a reset button to the quick search in flexi tables