Author: Luca Bösch
MDL-31443 backup: Title and cancel messages stating import and restore
http://git.moodle.org/gw?p=moodle.git;a=commit;h=68d4285fc4609b93e4181a288f406ca4b9f50235
http://github.com/moodle/moodle/commit/68d4285fc4609b93e4181a288f406ca4b9f50235
+ 3.4 en [confirmcancelrestore,core_backup]
+ 3.4 en [confirmcancelimport,core_backup]
+ 3.4 en [importrootsettings,core_backup]