Added R16B01/R16B02 otp release to travis config
Added R16B01/R16B02 otp release to travis config

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