* Create interface nexthop and routes inline by calling DB table process
  directly
* Create and delete tunnel nexthop and composite NH inline
* Dont hold nexthop reference in context other than DB table, use
  DB state instead. Flow used to hold a reference on nexthop, using
  DB state instead.
* Use different interface uuid for each interface
* Remove unused variable, fixing ubuntu build break
Merge pull request #13 from naveen-n/master

Inline creation of nexthop, mpls and interface route db entries