missed reference in hummingbird.js
missed reference in hummingbird.js

mnutt/hummingbird,umaxfun/hummingbird,soeffing/tracking_pixel,mnutt/hummingbird,ramr/openshift-hummingbird-example,umaxfun/hummingbird,umaxfun/hummingbird,ryana/sg-stats,ryana/sg-stats,mnutt/hummingbird,ramr/openshift-hummingbird-example,ramr/openshift-hummingbird-example,soeffing/tracking_pixel