Merge pull request #5 from polvi/master

Add systemd container interface link
nspawn now has MAC-based security support

Just committed this:
http://cgit.freedesktop.org/systemd/systemd/commit/?id=a8828ed93878b4b4866d40ebfb660e54995ff72e
Merge pull request #6 from davidstrauss/patch-3

nspawn now has MAC-based security support
Update lmctfy support and added a link to it and Docker.
Merge pull request #7 from vmarmol/master

Update lmctfy support and added a link to it and Docker.
update lxc column
update lxc homepage link
fix link
Merge pull request #8 from kapilt/master

adding lxc column entries
link OpenVZ, add whitespace for better wrapping

...and align header separator with the columns themselves
Merge pull request #10 from waldir/patch-1

link OpenVZ, add whitespace for better wrapping
modify to simply be support matrix