add (currently unreferences) references
add (currently unreferences) references

jibsen/imgmin,jibsen/imgmin,rflynn/imgmin,rflynn/imgmin,rflynn/imgmin,micmro/imgmin,jibsen/imgmin,pornel/imgmin,rflynn/imgmin,jibsen/imgmin,micmro/imgmin,pornel/imgmin,micmro/imgmin,pornel/imgmin,micmro/imgmin,pornel/imgmin