* Switch the patch management system from dpatch to quilt. * debian/patches/clean-build-errors-and-warnings.diff: A new patch to clean build errors and warnings from gcc (currently gcc 4.1.1). * debian/skksearch.install: A new file to clean up the installation of debhelper-independently installed files. * debian/skksearch.conf: Add an entry for SKK-JISYO.JIS2004, a new dictionary provided by the skkdic-extra package since its version 20070411-1.