Updating the dashboard guide for Sahara
Updating the dashboard guide for Sahara

Updates related to the move to /contrib which happened
during the L cycle.  Also one correction on the endpoint to
use data-processing rather than data_processing.

Change-Id: I62e3638966ae6a51f5b00f5c43f9aa9a362d8cb6
Partial-Bug: #1490687

tellesnobrega/sahara,zhangjunli177/sahara,crobby/sahara,openstack/sahara,crobby/sahara,crobby/sahara,tellesnobrega/sahara,zhangjunli177/sahara,zhangjunli177/sahara,egafford/sahara,egafford/sahara,openstack/sahara