add pipeworks to boot2docker
Merge pull request #120 from SvenDowideit/add-pipework

add pipeworks to boot2docker 
Closes #92
pre-initialise the boot2docker.vmdk with some initialisation data, which the vm can detect to trigger an fdisk and mkfs in automount
Merge pull request #114 from SvenDowideit/auto-format-vmdk-on-init

pre-initialise the boot2docker.vmdk with some initialisation data, which the vm can detect to trigger an fdisk and mkfs in automount