Function to upgrade compute node
Function to upgrade compute node

Preserve node settings to restore them after add to 6.0 environment.
Delete node from 5.1 environment.
Add node to 6.0 environment with the same roles and settings as in 5.1
environment.
Update deployment information for the node based on the 6.0 env parameters.
Start deployment of compute node.

Mirantis/octane,stackforge/fuel-octane,Mirantis/octane,stackforge/fuel-octane