(doc) Clarify channel usage for local vs remote IMGAPI on AdminImportRemoteImage endpoint
(doc) Clarify channel usage for local vs remote IMGAPI on AdminImportRemoteImage endpoint

joyent/sdc-imgapi,numericillustration/sdc-imgapi,numericillustration/sdc-imgapi,joyent/sdc-imgapi,joyent/sdc-imgapi,numericillustration/sdc-imgapi