rake: remove shared condig, fix proxy detection using env variables
rake: remove shared condig, fix proxy detection using env variables

louisatome/rhodes,UIKit0/rhodes,louisatome/rhodes,UIKit0/rhodes,rhosilver/rhodes-1,UIKit0/rhodes,rhosilver/rhodes-1,rhosilver/rhodes-1,UIKit0/rhodes,rhosilver/rhodes-1,rhosilver/rhodes-1,louisatome/rhodes,rhosilver/rhodes-1,louisatome/rhodes,rhosilver/rhodes-1,UIKit0/rhodes,rhosilver/rhodes-1,rhosilver/rhodes-1,UIKit0/rhodes,UIKit0/rhodes,louisatome/rhodes,louisatome/rhodes,louisatome/rhodes,UIKit0/rhodes,louisatome/rhodes,rhosilver/rhodes-1,UIKit0/rhodes,louisatome/rhodes,UIKit0/rhodes