Author: Sam Hemelryk
MDL-27122 admin Improved block protection help string
http://git.moodle.org/gw?p=moodle.git;a=commit;h=dcaec029ec6c61519d126972a709e0a1c283a97d
http://github.com/moodle/moodle/commit/dcaec029ec6c61519d126972a709e0a1c283a97d
+ 2.2 en [blockprotect_help,core_admin]