improve the readme for release
improve the readme for release

avalonmediasystem/avalon,nulib/avalon,nulib/avalon,uvalib/avalon,ualbertalib/avalon,avalonmediasystem/avalon,avalonmediasystem/avalon,uvalib/avalon,uvalib/avalon,ualbertalib/avalon,avalonmediasystem/avalon,ualbertalib/avalon,ualbertalib/avalon,uvalib/avalon,nulib/avalon,nulib/avalon