- drop no longer needed patches
- adjust requires + buildrequires to match current needs
- adjust rpmdb index ghosts to match the new release
- split librpmbuild and librpmsign to a separate rpm-build-libs package
- split rpmsign to its own package to allow signing without all the build goo
- build-conditionalize plugins, disabled for now
- gstreamer and printer dependency generation moving out
- handle .so symlink dependencies with fileattrs