MDL-47869 tool_monitor: Add sorting on event monitor pages
MDL-47900 tool_monitor: created list of rules MUC
MDL-47900 tool_monitor: expanded unit tests

Expanded the unit tests to ensure unnecessary events are not
saved in the DB and altered existing tests so they pass with
the introduction of this feature.
MDL-48035 mod_forum: Reverted string change in step to keep correct functionality
Merge branch 'MDL-47869-master' of git://github.com/lameze/moodle
MDL-47949 mod_wiki: Validate parameters for page deletion
MDL-46986 mod_assign: Change the asserting to false
Merge branch 'MDL-46986-master' of https://github.com/lameze/moodle
Merge branch 'wip-mdl-48035' of https://github.com/rajeshtaneja/moodle
Merge branch 'MDL-47900_master' of https://github.com/markn86/moodle
MDL-47900 Event monitor: Fix name of cache lang string for event monitor

AMOS BEGIN
 MOV [cachedef_rules, tool_monitor],[cachedef_eventsubscriptions, tool_monitor]
AMOS END
Moodle release 2.8rc2
MDL-48107 tool_monitor: added total subs to the delete rule string

Also made some minor language string changes.
MDL-48107 tool_monitor: prevent site rule removal when deleting a course
MDL-48107 tool_monitor: extended automated tests

Also adjusted them so they will pass with these changes.
Merge branch 'MDL-48107_master' of https://github.com/markn86/moodle
Automatically generated installer lang files
Merge branch 'install_master' of https://git.in.moodle.com/amosbot/moodle-install
Moodle release 2.8
weekly back-to-dev release 2.9dev