[cjs/f20] (11 commits) ...build fix

[leigh123linux]

Summary of changes:

  dfeb0b3... - Rebuilt for https://fedoraproject.org/wiki/Fedora_21_22_M (*)
  14ec1e6... update to latest git (*)
  111391b... build fixes (*)
  63684eb... more build fixes (*)
  20d2545... even more build fixes (*)
  5a5c4fe... even more build fixes (*)
  80c0113... add build requires gtk3-devel (*)
  3b2a0a4... add check section to spec (*)
  05a0738... add missing build requirement for checks (*)
  99ff355... update to 2.4.0 (*)
  e7b56ec... build fix

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