the new added PATH value should be in the first position, in case there be other same name cmd
the new added PATH value should be in the first position, in case there be other same name cmd

lrascao/rebar3,saleyn/rebar3,djnym/rebar3,ferd/rebar3,rebar/rebar3,rebar/rebar3,tsloughter/rebar3,erlang/rebar3,vladdu/rebar3