Adding archlinux packaging documentation
Updating the arch linux installation docs

New AUR package name
Adding systemd service unit info
Check kernel version and display warning if too low
Add capabilities check to allow docker to run on kernel that does not have all options
Remove the NO_MEMORY_LIMIT constant
Improve the docker version output
Add unit tests for CompareKernelVersion
Use mount to determine the cgroup mountpoint
contrib/vagrant-docker: a placeholder to centralize collaboration on an official docker provider for vagrant
Wait for the container terminate at the end of CmdRun

Fixes the race condition between docker run and docker logs from #428.
Merge pull request #444 from lopter/master

Fixe the race condition between docker run and docker logs from #428
update TestRunDisconnectTty to reflect the correct behavior of CmdRun
'docker ps' shows port mappings
Exclude loopback-to-loopback connections from DNAT rules, to allow userland proxying
Emulate DNAT in userland for loopback-to-loopback connections. This makes container ports available from localhost.
Shutdown loopback-to-loopback proxy when unmapping a port
Add a test for allocating tcp ports and reaching them on localhost
Cleaned up install instructions in the README

	* Addded quick install on ubuntu as the 1st install option
	* Grouped other binary installs under "binary installs"
	* Removed duplicate binary ubuntu installs (linked to the docs)
	* Improved "build from source" instructions
Removed duplicate ubuntu binary install instructions from README
Link to public images list in the README