license update
license update

Webern/libmusicxml,stwktw/libmusicxml,dfober/libmusicxml,georgeyacoub/libmusicxml,Webern/libmusicxml,hi-kasama/libmusicxml,arshiacont/libmusicxml,stwktw/libmusicxml,dfober/libmusicxml,georgeyacoub/libmusicxml,arshiacont/libmusicxml,hi-kasama/libmusicxml,arshiacont/libmusicxml,arshiacont/libmusicxml,georgeyacoub/libmusicxml,Webern/libmusicxml,arshiacont/libmusicxml,hi-kasama/libmusicxml,grame-cncm/libmusicxml,dfober/libmusicxml,stwktw/libmusicxml,grame-cncm/libmusicxml,grame-cncm/libmusicxml,georgeyacoub/libmusicxml,hi-kasama/libmusicxml,grame-cncm/libmusicxml,Webern/libmusicxml,stwktw/libmusicxml,grame-cncm/libmusicxml,grame-cncm/libmusicxml,dfober/libmusicxml