Author: Andrew Nicols
MDL-64347 task: Add restrictions to adhoc task runner
http://git.moodle.org/gw?p=moodle.git;a=commit;h=24bfd53c737bec226429f32b5e1d0ed6c4a4fc04
http://github.com/moodle/moodle/commit/24bfd53c737bec226429f32b5e1d0ed6c4a4fc04
+ 3.7 en [task_adhoc_concurrency_limit,core_admin]
+ 3.7 en [task_adhoc_concurrency_limit_desc,core_admin]
+ 3.7 en [task_adhoc_max_runtime,core_admin]
+ 3.7 en [task_adhoc_max_runtime_desc,core_admin]
+ 3.7 en [taskprocessing,core_admin]