Merge pull request #8 from marineam/master

add(qemu): Initial stab at some documentation for QEMU virtual machines.
fix(qemu): remove slashes

the doc sidebar javascript can't handle slashes so just say or for now.
Merge pull request #9 from philips/fixup-qemu

fix(qemu): remove slashes
fix(qemu): Document qemu wrapper vs qemu options.

The order of options can be significant and trip people up so make sure
it is documented everywhere!
bump(ec2): Update AMI