Author: Andrew Nicols
MDL-53566 core: Add support for context locking
This chagne adds support for a new feature known as Context Locking.
This allows a context to be locked, thereby removing all write
capabilities for all users (including admin) for that context, and all
child contexts.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=0616f045c392f774812f3d79ca8936a0274296be
http://github.com/moodle/moodle/commit/0616f045c392f774812f3d79ca8936a0274296be
+ 3.6 en [site:managecontextlocks,core_role]