if evset.refcount == 0 cmd would immediately executed

因为表示所有的事件(没有事件)都'满足'了. 所以应该执行回调

Signed-off-by: xiehuc <xiehuc@gmail.com>

Signed-off-by: xiehuc <xiehuc@gmail.com>
update xcode config, remove mozjs dependencies

Signed-off-by: xiehuc <xiehuc@gmail.com>
update changelog

Signed-off-by: xiehuc <xiehuc@gmail.com>
clean LIB_INSTALL_DIR

Signed-off-by: xiehuc <xiehuc@gmail.com>