rakefile: handle proxy, and network errors during connection
rakefile: handle proxy, and network errors during connection

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