Jonathan Hart f44e42cf63 Fix for flow equality bug which can cause:
* multiple flows with the same match to be simultaneously present in the flow
   store, and
 * similar but different rule in switch and store, resulting in flows stuck in
   PENDING_ADD state.

Fixes ONOS-2426.

Ported from onos-1.2 branch.

Change-Id: I4b4e444c3a6dba7e4d3278e9469069e2dbdb9b67
2015-08-10 21:16:19 -04:00
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