run opm in one docker layer (#245)
run opm in one docker layer (#245)

* run opm in one script

* further reduce docker layers

* Simplify and consolidate docker image layers

openwhisk/openwhisk-apigateway,openwhisk/openwhisk-apigateway,alexsong93/openwhisk-apigateway,alexsong93/openwhisk-apigateway,openwhisk/apigateway,openwhisk/apigateway,openwhisk/apigateway,openwhisk/openwhisk-apigateway,alexsong93/openwhisk-apigateway