Update to upstream 6.5.6 release
    
    * Sun Jan  4 2015  <dodji@seketeli.org> - 6.5.6-1
    - Update to upstream version 6.5.6
    - Adjust the packagedirname macro to the normal naming (non git-pre-release) scheme
    - Adjust the Source0 macro to the normal naming scheme
    - Now that the name of the extracted source director is normal,
      simplify %%setup rule.
    - Add the 0001-Update-version-to-reflect-6.5.6.patch to make the
      version of offlineimap as returned by 'offlineimap --version' be
      6.5.6, as opposed to 6.5.5
    
    Signed-off-by: Dodji Seketeli <dodji@seketeli.org>