Author: M Kassaei
MDL-33653 questions, a way to save changes and continue editing
http://git.moodle.org/gw?p=moodle.git;a=commit;h=7756e2bc858644a703b9e4551da152cf10c487d5
http://github.com/moodle/moodle/commit/7756e2bc858644a703b9e4551da152cf10c487d5
+ 2.7 en [openpreviewfromform,core_question]
+ 2.7 en [savechangesandcontinueediting,core_question]