backport from f10:
    Tue Oct 21 2008 Parag Nemade <pnemade@redhat.com> -1.5.3-1.fc10
    - Update to new upstream release 1.5.3
    Mon Oct 20 2008 Jens Petersen <petersen@redhat.com> - 1.5.2-4.fc10
    - add obsoletes for ibus-m17n subpackages
    - fix m17n-gen-ibus-engine to check for lang 't'
    Wed Oct 15 2008 Jens Petersen <petersen@redhat.com> - 1.5.2-3.fc10
    - create .engine files for ibus-m17n with m17n-gen-ibus-engine (#466410)