Author: Issam Taboubi
MDL-52104 tool_lp: Improve UI for the change of states in plan
http://git.moodle.org/gw?p=moodle.git;a=commit;h=d805cc3745475c887ba4742054c360b15dc1b3bf
http://github.com/moodle/moodle/commit/d805cc3745475c887ba4742054c360b15dc1b3bf
+ 3.1 en [completeplan,tool_lp]
+ 3.1 en [completeplanconfirm,tool_lp]
+ 3.1 en [reopenplan,tool_lp]
+ 3.1 en [reopenplanconfirm,tool_lp]