updated to latest release (0.9.4) of `copy` plugin
updated to latest release (0.9.4) of `copy` plugin

cloudfoundry-incubator/cli-plugin-repo,guidowb/cli-plugin-repo,kkellner/cli-plugin-repo,kkellner/cli-plugin-repo,cloudfoundry-incubator/cli-plugin-repo,cloudfoundry-incubator/cli-plugin-repo,kkellner/cli-plugin-repo,cloudfoundry-incubator/cli-plugin-repo,guidowb/cli-plugin-repo,guidowb/cli-plugin-repo,guidowb/cli-plugin-repo