новые иконки в OpenBoard

Clément Fauconnier fe24d53565 added LAV filter installer. Not sure if it is the better way to handle the need of system codecs by Qt... Maybe a rework of the player using QtAv could help to simplify the installing too		4 years ago
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linux	make libavcodec-extra version less restricted	4 years ago
osx	updated links on osx release script	4 years ago
windows	added LAV filter installer. Not sure if it is the better way to handle the need of system codecs by Qt... Maybe a rework of the player using QtAv could help to simplify the installing too	4 years ago