Basic Install Guide: Handle overlong lines

Several screen lines were far too long, now they look fine in PDF

Change-Id: I4c65d0bf6e9d0fba3027fb4ff195441ed7b98b4d
Start libvirt default network before creating images

Document how to start the libvirt "default" network before creating
a new virtual machine image.

Change-Id: Ie1fa54c75b91661de08cd406f9df504839c175bf
Cleanup pom.xml for Install Guide and Network Guide

Removed whitespace, do not set failOnValidationError to no (as in
other guides).

Change-Id: Ib5d472a4974601ca58accd3d0eb9ee8945c79d66
Merge "Cleanup pom.xml for Install Guide and Network Guide"
Merge "Basic Install Guide: Handle overlong lines"
Merge "Start libvirt default network before creating images"