Changelog for v0.5.4 (2018-05-25):
* Vendor in latest projectatomic/buildah
* Rename addFIPSsModeSecret to addFIPSModeSecret
* Make references to the Process part of Spec conditional
* save and load should support multi-tag for docker-archive
* Implement python podman create and start
* Spell check strings and comments
* hooks/1.0.0: Error on empty process.args instead of panicking
* Set Entrypoint from image only if not already set
* Update podman build to match buildah bud functionality
* Fix test_runner call of podman varlink
* Fix handling of command in images
* Add support for Zulu timestamp parsing
* Clarify using podman build with a URL, Git repo, or archive.
* Vendor in latest container/storage for devicemapper support
* set varlink timeout to 1 seconds
* podman create, start, getattachsocket
* use $GO env-var instead of hard-coded go binary
* tidy up the copr spec
* honor multiple change values
* hooks/README: Fix some Markdown typos (e.g. missing runc target)
* oci-hooks.5: Discuss directory precedence and monitoring
* finish changing the path for varlink
* Tighten the security on the podman varlink socket
* Implement podman.containers.commit()