Author: Daniel Neis Araujo
MDL-76338 contentbank: copy content in content bank
http://git.moodle.org/gw?p=moodle.git;a=commit;h=d124df500c5c8196e3f6a94d8d4bdc9b12d7a4a0
http://github.com/moodle/moodle/commit/d124df500c5c8196e3f6a94d8d4bdc9b12d7a4a0
+ 4.3 en [contentcopied,core_contentbank]
+ 4.3 en [copycontent,core_contentbank]
+ 4.3 en [copyof,core_contentbank]
+ 4.3 en [nopermissiontocopy,core_contentbank]