Repair two critical bug with Interest/NACK processing

- There was wrong selection of FIB face order in CcnxForwardingStrategy
- Stop reacting on NACK if there are no incoming faces (i.e., loop
  detected after interest is already satisfied)
9 files changed
tree: e252e868cb9dcd780535de4231f35fee4b462bff
  1. apps/
  2. bindings/
  3. examples/
  4. helper/
  5. model/
  6. test/
  7. .gitignore
  8. wscript