[knot/f20] (8 commits) ...Merge branch 'master' into f20

[jvcelak]

Summary of changes:

  8dd156b... update to 1.5.0-rc1 (*)
  27cd64d... - Rebuilt for https://fedoraproject.org/wiki/Fedora_21_Mass (*)
  c9b45f4... update to 1.5.0-rc2 (*)
  e4487ce... removed samples installation fix (*)
  c5a8b71... fix reference to documentation in config file (*)
  5265fd2... fix typo (*)
  6bfc71f... update to 1.5.0 (*)
  46f4eef... Merge branch 'master' into f20 (*)

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