First update to havana release
cosmetic changes
first changes of Icehouse documantation tutorial
Cosmetic changes
More cosmetic changes
Updated the identity service configuration part to Icehouse
Update Identity service section to Icehouse and Ubuntu 14.04
Updated Glance info about Icehouse and Ubuntu 14.04
added versioning info
adapted the initial part of the tutorial to the new setup for IceHouse
Updated auth-node section
Reviewed and improved the image-node part.
Checked and updated the volume-node part
Add inventory file for gridka
Update network diagram (still containing an error)
Remove presentation
Split tutorial into multiple pages
Add preliminary neutron configuration page