Rixillo

Addresses issue #17 --- This change is [](https://reviewable.io/reviews/sdague/amt/19)

I find that the pxeboot command works if the target machine is in "standby", but fails if the machine is in state "off". I offer the following explanation: the pxeboot...

/usr/bin/amtctrl -p 10.0.0.xxx pxeboot ``` Traceback (most recent call last): File "/usr/bin/amtctrl", line 5, in pkg_resources.run_script('amt==0.6.0', 'amtctrl') File "/usr/lib/python2.7/site-packages/pkg_resources.py", line 540, in run_script self.require(requires)[0].run_script(script_name, ns) File "/usr/lib/python2.7/site-packages/pkg_resources.py", line 1455, in...