rakefile/rhohub: show error if working directory does not match to any item from server
rakefile/rhohub: show error if working directory does not match to any item from server

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