[springframework/f20] (6 commits) ...fix for rhbz: 993376, 953977

[gil]

Summary of changes:

  bb9933f... - Update to 3.1.4 - Add BR xmlunit - Change wstx-asl to woo (*)
  93b1c13... switch to XMvn (*)
  6f0fc20... try to build with hibernate-validator 5.x (*)
  ba42a54... fix build problems with hibernate-validator 5.x (*)
  66309ed... fix for rhbz: 993376, 953977 (*)
  adc2a90... fix for rhbz: 993376, 953977 (*)

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