fixed get_answer_fields to work when importing from xml
added more comments
added discardduplicates flag to olympic medals question
tweaks to question text
added valuesinanyorder code for dragdrop
formatting fixes
formatting
changes and new features in release 1.3
tidied comments in start_attempt
Merge branch 'gapfill_1.3' of github.com:marcusgreen/moodle-qtype_gapfill into gapfill_1.3

Conflicts:
	question.php