fix(quote-fader): added a check to bail if no fader exists
fix(quote-fader): added a check to bail if no fader exists

fixes #95

nauerz-ibm/openwhisk.github.io,nauerz-ibm/openwhisk.github.io,nauerz-ibm/openwhisk.github.io,nauerz-ibm/openwhisk.github.io