[flann/el6] (6 commits) ...Really fix patch this time

[rmattes]

Summary of changes:

  1ab8a5b... Update to release 1.6.11 (*)
  0e9e624... - further updates for 64-bit systems (s390x, sparc64) (*)
  e688d8f... Added patch to prevent flann from building its own python b (*)
  e16c6e2... Don't install setup.py by default
  8bab8e2... Fix pyflann patch
  c6cb958... Really fix patch this time

(*) This commit already existed in another branch; no separate mail sent