[qt5-qtbase/f20] (6 commits) ...Update to 5.4.1

[Jan Grulich]

Summary of changes:

  7193ded... Bump for rebuild. (*)
  07229d0... bootstrap for ICU soname bump (*)
  dbbd578... full build after ICU soname bump (*)
  25a678d... own  %{_qt5_plugindir}/{designer,iconengines,script,styles} (*)
  c8544d3... no-use-gold-linker (f22+, #1193044) (*)
  cb39c45... Update to 5.4.1 (*)

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