Fix loading of local plugins in sub directories
Fix loading of local plugins in sub directories

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