upgpkg: xfburn 0.5.0-1

Upstream update, Fix license, Clean up PKGBUILD, Remove old patch

git-svn-id: file:///srv/repos/svn-packages/svn@206174 eb2447ed-0c53-47e4-bac8-5bc4a241df78
archrelease: copy trunk to extra-i686, extra-x86_64

git-svn-id: file:///srv/repos/svn-packages/svn@206175 eb2447ed-0c53-47e4-bac8-5bc4a241df78