Exclude configure_route task from deployment graph
Exclude configure_route task from deployment graph

Currently, configure_route task reset node's default gw to
vroute's ip. It leads to missing connectivity and deployment
failure for nodes where task is applied.

Change-Id: Iab53b208ddae32677964f7f3ba1b30e9f7d84de0

stackforge/fuel-octane,stackforge/fuel-octane