Moodle2.x mod/hotpot add pix/icon.svg
Moodle.2x mod/hotpot implement delay3 setting functionality so that quiz does not continue automatically after it is completed
Moodle.2x mod/hotpot fix error storing results after clicking STOP button
Moodle.2x mod/hotpot use 0/1 instead of false/true for HTTP_NO/204_RESPONSE constants, and small improvement to readability of send_response method
Moodle.2x mod/hotpot allow for song_url as a parameter name to hold a relative URL