Use only Fuel release version to determine default port provider
Use only Fuel release version to determine default port provider

Only Fuel release version defines the default port provider. Exclude
OpenStack release version from the comparison. Use StrictVersion instead
of LooseVersion.

Change-Id: I9927c006d6842fc3cca7f5bd068402eb70acea4e
Closes-bug: 1536182

stackforge/fuel-octane,stackforge/fuel-octane