Add -D support to rebar_port_compiler
Add -D support to rebar_port_compiler

sile/rebar3,deadok22/rebar,jacktang/rebar,macintux/rebar,norton/rebar,kellymclaughlin/rebar3,cloudant/couchdb-rebar,norton/rebar3,blt/rebar3,oubiwann/rebar,scatterbrain/rebar,linearregression/rebar3,sile/rebar3,walrusVision/rebar3,wcy123/rebar,beni55/rebar-1,shkumagai/rebar,beni55/rebar,rebar/rebar,linearregression/rebar3,bsmr-erlang/rebar,erlang/rebar3,K2InformaticsGmbH/rebar,csyangchen/rebar,fauxsoup/rebar3,thomasbhatia/rebar,SiDen/rebar,paulo-ferraz-oliveira/rebar,evnix/rebar,blt/rebar3,thomasbhatia/rebar,K2InformaticsGmbH/rebar,deadok22/rebar,RubberCthulhu/rebar,CMoH/rebar,surik/rebar3,bsmr-erlang/rebar,K2InformaticsGmbH/rebar,SiDen/rebar,heroku/rebar,lrascao/rebar,thomasbhatia/rebar,oubiwann/rebar,dcarastan/rebar,heroku/rebar,matwey/rebar,GabrielNicolasAvellaneda/rebar,csyangchen/rebar,evnix/rebar,CMoH/rebar,CMoH/rebar,processone/rebar3,norton/rebar,saleyn/rebar3,walrusVision/rebar3,norton/rebar,jbalint/rebar3,shkumagai/rebar,rebar/rebar,tsloughter/rebar3,apache/couchdb-rebar,ferd/rebar3,choptastic/rebar,matwey/rebar,bsmr-erlang/rebar,apache/couchdb-rebar,beni55/rebar-1,fabiankrol/rebar3,matwey/rebar,platinumthinker/rebar,processone/rebar3,wcy123/rebar,macintux/rebar,vladdu/rebar3,oubiwann/rebar,macintux/rebar,rebar/rebar,zugolosian/rebar3,dcarastan/rebar,syl20bnr/rebar,scatterbrain/rebar,surik/rebar3,fishcakez/rebar3,fabiankrol/rebar3,choptastic/rebar,SiDen/rebar,evnix/rebar,shkumagai/rebar,lpgauth/rebar,benoitc/rebar3,beni55/rebar,lrascao/rebar,matwey/rebar,lpgauth/rebar,fauxsoup/rebar3,lrascao/rebar3,project-fifo/rebar3,basho/rebar,choptastic/rebar,basho/rebar,lrascao/rebar,cloudant/couchdb-rebar,syl20bnr/rebar,lrascao/rebar,paulo-ferraz-oliveira/rebar,K2InformaticsGmbH/rebar,jbalint/rebar3,benoitc/rebar3,csyangchen/rebar,apache/couchdb-rebar,GabrielNicolasAvellaneda/rebar,platinumthinker/rebar,rebar/rebar3,rebar/rebar3,lrascao/rebar,norton/rebar,K2InformaticsGmbH/rebar,dcarastan/rebar,beni55/rebar,RubberCthulhu/rebar,jacktang/rebar,project-fifo/rebar3,syl20bnr/rebar,scatterbrain/rebar,platinumthinker/rebar,GabrielNicolasAvellaneda/rebar,cloudant/couchdb-rebar,paulo-ferraz-oliveira/rebar,djnym/rebar3,zugolosian/rebar3,matwey/rebar,jacktang/rebar,lpgauth/rebar,bsmr-erlang/rebar