Update to 1.5
    
    - New upstream release 1.5
      - Work around global destruction order issue (CPAN RT#23568/68526)
    - This release by SHAY ⇒ update source URL
    - Drop %defattr, redundant since rpm 4.4
    - Don't use macros for commands
    - Don't need to remove empty directories from the buildroot
    - Classify buildreqs by usage
    - Make %files list more explicit