Openstack Folsom Manual installation

This work has been based on:
pxeboot stuff
http://www.linuxuser.co.uk/tutorials/unattended-ubuntu-installations
http://peterlyons.com/problog/2010/07/install-ubuntu-lan
http://petersmith.homeip.net/wiki/index.php/Unattended_Install


Openstack stuff
http://docs.openstack.org/folsom/basic-install/content/
http://docwiki.cisco.com/wiki/Cisco_OpenStack_Edition:_Folsom_Manual_Install
https://github.com/mseknibilel/OpenStack-Folsom-Install-guide/blob/master/OpenStack_Folsom_Install_Guide_WebVersion.rst