[mingw-webkitgtk3/epel7] (11 commits) ...Merge branch 'master' into epel7

[Erik van Pienbroek]

Summary of changes:

  e2c2f78... Rebuild against libpng 1.6 (*)
  7e3f3cc... - Rebuilt for https://fedoraproject.org/wiki/Fedora_20_Mass (*)
  7e87f7f... Update to 2.0.4 (*)
  5f91a77... Switch to unversioned docdirs (*)
  a4abb7b... Rebuild against winpthreads (*)
  98f9ef0... Update to 2.2.3 (*)
  d5e564b... Fix build failure when mingw-dlfcn isn't installed (*)
  0956357... Update to 2.2.6 (*)
  f59fd61... Update to 2.2.7 (*)
  eb98f9a... - Rebuilt for https://fedoraproject.org/wiki/Fedora_21_Mass (*)
  cced399... Merge branch 'master' into epel7

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