Author: Dmitrii Metelkin
MDL-77544 enrol_database: include start and end dates
http://git.moodle.org/gw?p=moodle.git;a=commit;h=f6d2ff9cf58d86a9bc596080f41d780624a139fc
http://github.com/moodle/moodle/commit/f6d2ff9cf58d86a9bc596080f41d780624a139fc
+ 4.5 en [newcourseenddate,enrol_database]
+ 4.5 en [newcourseenddate_desc,enrol_database]
+ 4.5 en [newcoursestartdate,enrol_database]
+ 4.5 en [newcoursestartdate_desc,enrol_database]