BaseClient: added default handler for 'conflict' events, when there is no handler installed by the app or module
BaseClient: added default handler for 'conflict' events, when there is no handler installed by the app or module

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