[yubikey-personalization-gui/f20] (3 commits) ...Update BR's

[Maxim Burgerhout]

Summary of changes:

  f1d15c1... Update to 3.1.10 (*)
  4007836... New upstream release 3.1.11; with support for Qt5 (*)
  69c7d19... Update BR's (*)

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