[qt5-qtimageformats/epel7] (6 commits) ...Update to 5.3.1

[Rex Dieter]

Summary of changes:

  e7f6bda... Fix libmng test, build with system one instead of bundled (*)
  0a5ab55... Update to 5.3.0 (*)
  f1c3a69... Add BR: jasper-devel (*)
  7d123ba... Add BR: libwebp-devel (*)
  8c860f1... - Rebuilt for https://fedoraproject.org/wiki/Fedora_21_Mass (*)
  c77b5b7... Update to 5.3.1 (*)

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