OO-3334: use monospace font for the text area of QTI essay, use tab override to allow tabs in the same text area

OO-3294	: remove some specific IE 7 and 8 hacks or specific javascript libraries, update jQuery to 3.3.1

OO-3265: use a different drag and drop library (dragula), fix double save issue and javascript errors

OO-2742: reimplement start option (without autoplay), host in openolat flv.js and hls.js to prevent url with http/https blocked by Firefox, enhance useability of chapter editor

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

OO-1593: add license of qtiworks and additional libraries, add unit tests, select a default response for new simple choice in editor...

OO-697: add mediaelementjs to list of licenses, add README to explain my changes to the javascript code

OO-1068:  bootstrapify the stepped wizard and the legacy wizard with a style based on the very good Fuel UX wizard

OO-1068:  update licenses, automatically include the NOTICE.TXT in the about.html, automatically languages informations and translators in about.html and current version of OpenOLAT

OO-1068: remove dataTables of the question pool, implement dnd on the classic flexi table, remove uilayout too

OO-272 OO-371 svg loader with alpha transparency (thanks stephan clemenz), use modernizr to detect browser features to better support IE7/8

OO-11 Text cleanup, replaced OLAT with OpenOLAT on more places, changed about page in DMZ, fixed egg.js and removed all original OLAT icons