Lmctfy 0.5.0 Release

New features:
    - Block IO controller
    - Added many more container statistics
    - Preliminary support for running lmctfy inside a container created by lmctfy.
 The following features work only with Virtual Host containers
    - Pivot root and Chroot support
    - Apparmor support
    - Console support - setup devpts and attach to user specified pty slave device.
    - Mount Spec to bring in external mounts into the Virtual Host
    - Networking support - veth and bridging.

In addition to these features, the Virtual Host environment has been made more
robust and secure. This release also includes many bug fixes.