Fix a few packaging bugs, including and especially a temporary patch to our upstart script to mount cgroups properly

Docker-DCO-1.1-Signed-off-by: Andrew Page <admwiggin@gmail.com> (github: tianon)
Merge pull request #4545 from tianon/update-packaging-and-init

Fix a few packaging bugs, including and especially a temporary patch to our upstart script to mount cgroups
Removing myself from doc maintainers due to other obligations eliminating time to maintain docs.

Docker-DCO-1.1-Signed-off-by: Andy Rothfusz <github@developersupport.net> (github: metalivedev)
Merge pull request #4559 from metalivedev/unmaintainer

Removing myself from doc maintainers