procps package is required for ps (#453)
procps package is required for ps (#453)

The run-skype-and-wait-for-exit script requires the ps binary but it isn't available as procps package isn't installed.
ricardorsierra/dockerfiles,michael-k/dockerfiles-jfrazelle,ricardorsierra/dockerfiles,ricardorsierra/dockerfiles,koep/dockerfiles,jfrazelle/dockerfiles,ricardorsierra/dockerfiles,michael-k/dockerfiles-jfrazelle,koep/dockerfiles,koep/dockerfiles,koep/dockerfiles,koep/dockerfiles,jessfraz/dockerfiles,jessfraz/dockerfiles,ricardorsierra/dockerfiles,michael-k/dockerfiles-jfrazelle,michael-k/dockerfiles-jfrazelle,jfrazelle/dockerfiles,jessfraz/dockerfiles,jessfraz/dockerfiles,michael-k/dockerfiles-jfrazelle,jessfraz/dockerfiles