Don't run dialyzer on R14 and below
Don't run dialyzer on R14 and below

Its too slow and the build fails on travis

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