widget: fixed error behavior, when webfinger discovery fails or the useraddress is invalid
widget: fixed error behavior, when webfinger discovery fails or the useraddress is invalid

mcanthony/remotestorage.js,theWebalyst/remotestorage.js,untitaker/remotestorage.js,remotestorage/remotestorage.js,untitaker/remotestorage.js,theWebalyst/remotestorage.js,remotestorage/remotestorage.js,lewisl9029/remotestorage.js,mcanthony/remotestorage.js,lewisl9029/remotestorage.js,remotestorage/remotestorage.js