[intltool/f22] (6 commits) ...Fix bogus dates in changelog

[David King]

Summary of changes:

  4f50e19... Update to 0.51.0 (*)
  a09bce0... Use license macro for COPYING (*)
  67ddffd... Preserve timestamps during install (*)
  4da29b5... Use parallel make flags (*)
  a7003b6... Update man page glob in files section (*)
  741ed7a... Fix bogus dates in changelog (*)

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