Author: Issam Taboubi
MDL-53189 tool_lp: Create event for user competency viewed
http://git.moodle.org/gw?p=moodle.git;a=commit;h=640201536aedffb80e1e3a76e417c4b37f8da847
http://github.com/moodle/moodle/commit/640201536aedffb80e1e3a76e417c4b37f8da847
+ 3.1 en [eventusercompetencyplanviewed,tool_lp]
+ 3.1 en [eventusercompetencyviewed,tool_lp]
+ 3.1 en [eventusercompetencyviewedincourse,tool_lp]
+ 3.1 en [eventusercompetencyviewedinplan,tool_lp]