devstack.org refers to Fedora 18, not 16

Change-Id: I45730a0105bad563fd3565fd92ad8ff9ca7ffbc9
Adding card047 Installing Nova Compute

Installing nova to the compute node. Adding install guide to
the compute section.

Change-Id: I1f34053479ca7ebf9b9adb46cec414aefae6addc
Implements: bp/training-manuals
added card043 installing and configuring OVS in the network node

added ovs card, specifying specific specific OVS section

Change-Id: I60d778c7ec34f15684f6f7c6932912aee722a1f4
Implements: bp/training-manuals
adding card007 Core Project Overview

adding Core Overview for the start of the book

Change-Id: Ibc60c1abdf727b622865950a7a45d42c8c6753a0
Implements: bp/training-manuals
Merge "devstack.org refers to Fedora 18, not 16"