MOBILE-2650 format-text: Treat limks in Vimeo and Youtube iframes
MOBILE-2650 format-text: Treat limks in Vimeo and Youtube iframes

moodlehq/moodlemobile2,dpalou/moodlemobile2,FMCorz/moodlemobile2,reskit/moodlemobile,reskit/moodlemobile,reskit/moodlemobile,saman222/moodlemobile2,moodlehq/moodlemobile2,dpalou/moodlemobile2,moodlehq/moodlemobile2,saman222/moodlemobile2,FMCorz/moodlemobile2,saman222/moodlemobile2,reskit/moodlemobile,saman222/moodlemobile2,moodlehq/moodlemobile2,dpalou/moodlemobile2,reskit/moodlemobile,moodlehq/moodlemobile2,moodlehq/moodlemobile2,saman222/moodlemobile2,reskit/moodlemobile