add field 'main' to bower.json
add field 'main' to bower.json

cnbin/muplayer,cnbin/muplayer,sdgdsffdsfff/muplayer,sdgdsffdsfff/muplayer,wangjun/muplayer,Baidu-Music-FE/muplayer,Baidu-Music-FE/muplayer,wangjun/muplayer,Denniskevin/muplayer,Denniskevin/muplayer