Use ODL_RELEASE instead of version number to determine release
Use ODL_RELEASE instead of version number to determine release

The latest stable/helium build is version 1.0.4 and that broke
the logic being used to determine if Opendaylight release was
Helium or Lithium. Instead of playing games with the numbers,
let's just use the newly introduced $ODL_RELEASE variable.

Change-Id: I8b33aeed205b4b4cf43beeba1cbe6b722dfba920

openstack/networking-odl,openstack/networking-odl,schoksey/networking-odl,openstack/networking-odl,flavio-fernandes/networking-odl,schoksey/networking-odl,FedericoRessi/networking-odl,CiscoSystems/networking-odl,flavio-fernandes/networking-odl,FedericoRessi/networking-odl,CiscoSystems/networking-odl