Make distinction between EDGEHOST and APIHOST
Make distinction between EDGEHOST and APIHOST

EDGEHOST is used to install the actions
APIHOST is the host used to compute trigger URLs

dubeejw/openwhisk-package-kafka,bjustin-ibm/openwhisk-package-kafka,bjustin-ibm/openwhisk-package-kafka,dubeejw/openwhisk-package-kafka,bjustin-ibm/openwhisk-package-kafka,dubeejw/openwhisk-package-kafka