mod/hotpot use new core_text class instead of textlib in Moodle >= 2.6
mod/hotpot fix restore of hotpot responses and strings
mod/hotpot backup and restore entrycm and exitcm
mod/hotpot fix incorrect table name when restoring entrycm and exitcm
mod/hotpot fix detection of strings to be filtered, and a typo in the restore script
mod/hotpot exclude hotpot missing course id from grade update
Merge pull request #4 from gbateson/master

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