support topographical sorting for release artifacts
support topographical sorting for release artifacts

Licenser/relx,RJ/relx,erlware/relx,syl20bnr/relx,ingwinlu/relx,ethercrow/relx,priestjim/relx,bitwalker/relx,lrascao/relx,tsloughter/relx,bsmr-erlang/relx,umatomba/relx,timclassic/relx,zugolosian/relx