Author: Issam Taboubi
MDL-53138 tool_lp: Create C(R)UD + viewed events for plans
http://git.moodle.org/gw?p=moodle.git;a=commit;h=4ed524b7a77b07e793621cff1fab215dc50b3669
http://github.com/moodle/moodle/commit/4ed524b7a77b07e793621cff1fab215dc50b3669
+ 3.1 en [eventplancreated,tool_lp]
+ 3.1 en [eventplandeleted,tool_lp]
+ 3.1 en [eventplanupdated,tool_lp]
+ 3.1 en [eventplanviewed,tool_lp]