move from dpkg to dpkg-dev, rhbz #979378
    
      - dpkg-mergechangelogs and its man-pages
      - dpkg-buildflags and its man-pages
    - remove man pages dups, also rhbz #979378
        dpkg-architecture.1.gz
        dpkg-buildflags.1.gz
        dpkg-buildpackage.1.gz
        dpkg-checkbuilddeps.1.gz
        dpkg-distaddfile.1.gz
        dpkg-genchanges.1.gz
        dpkg-gencontrol.1.gz
        dpkg-gensymbols.1.gz
        dpkg-mergechangelogs.1.gz
        dpkg-name.1.gz
        dpkg-parsechangelog.1.gz
        dpkg-scanpackages.1.gz
        dpkg-scansources.1.gz
        dpkg-shlibdeps.1.gz
        dpkg-source.1.gz
        dpkg-vendor.1.gz