Initial commit for enhanced single multi-node deployment of COE

This version of CEO (Cisco OpenStack Edition) includes:
* All OpenStack servics but Swift
* Quantum with OVS Plugin and GRE Tunnels
* Monitoring framework (nagios, graphite and collectd)
Fix APT issues and remove relative preseed file path

These changes are improvements received by Ian Wells
Include script to get puppet-modules for COE
Adding node_type to cobbler definition

This is used by Nagios
Adding core.pp file and removing all extra config from site.pp
 Add NTP server to site.pp
Change configuration for cobbler file
Core configuration has been updated
Merge branch 'multi-node' of https://github.com/CiscoSystems/folsom-manifests into multi-node

Conflicts:
	manifests/site.pp
Moving core operations to base node
Fix module list and Include variables for the preseed file
Replacing double quotes for password string
Replace compute_base for the right base node definition
Adding missing variable for Quantum
Fix the ovs_bridge_uplinks variable with double quotes
Move cobller node definition to site.pp and removing extra configuration parameters
Merge pull request #1 from emagana/multi-node

Move cobbler node definition to site.pp and removing extra configuration
Embed signing key to avoid dependency on external keyservers
Disable http pipelining in apt
Merge pull request #2 from rickerc/multi-node

Embed signing key to avoid dependency on external keyservers
Merge pull request #1 from CiscoSystems/multi-node

Multi node