Update mailmap
Update mailmap

Update mailmap and keep this file
in alphabetical order.

Change-Id: I657b83202de3fdf6f4624567dfa8a53ca3ea5b39

flavio-fernandes/networking-odl,mestery/x-stackforge-odl,schoksey/networking-odl,openstack/networking-odl,FedericoRessi/networking-odl,FedericoRessi/networking-odl,CiscoSystems/networking-odl,CiscoSystems/networking-odl,openstack/networking-odl,openstack/networking-odl,schoksey/networking-odl,flavio-fernandes/networking-odl