Adds support for Ubuntu and Debian to ironic-python-agent. This will enable building ramdisk with Ubuntu and Debian as base OS. Updated README to further clarify what the element does. Change-Id: I194f85b051974d8ccb197a0993a67761046cfe98
We currently do not have the ability to create a docs site which outlines all the elements. Change-Id: I77ccf61e0c4b1509b3e7ce9b8f15ea5ccfd50d9b