[wt/f20] (5 commits) ...Merge remote-tracking branch 'origin/master' into f20

[corsepiu]

Summary of changes:

  9df102d... - Rebuilt for https://fedoraproject.org/wiki/Fedora_21_22_M (*)
  ecfe3ca... Replace bogus BR: boost-devel%%{_isa} with BR: boost-devel. (*)
  8c7676b... Add wt-3.3.3-boost-1.57.patch (Fix boost-1.57 FTBFS). (*)
  a03f9e1... Unbundle GLEW. (*)
  e678ec9... Merge remote-tracking branch 'origin/master' into f20

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