#2785: Prepare the new release 19.1.4
#2785: Prepare the new release 19.1.4

lino-framework/lino,lino-framework/lino,lino-framework/lino,lsaffre/lino,lino-framework/lino,lsaffre/lino,lsaffre/lino,lsaffre/lino,lsaffre/lino,lino-framework/lino