Updating README to use docker-machine (instead of boot2docker)
Updating README to use docker-machine (instead of boot2docker)

The boot2docker CLI is deprecated - people should be using
docker-machine now :)

Signed-off-by: Dave Henderson <43109f09330ba64e33d78babb963403790c3ac10@gmail.com>

remind101/empire,mhahn/empire,iserko/empire,iserko/empire,remind101/empire,iserko/empire,remind101/empire,mhahn/empire,mhahn/empire