new table: packagebuild-depends
- package - FKEY - packagebuild
- dependency - FKEY - packagebuild
PKEY(package, dependency)

packagelisting:
- spec file url - write some script to sync info from cvs

package:
- upstream_url - varchar
- license - varchar

packagebuild: 
-packagelistingid - FKEY
-size
-signature
-desktop
-version(without the .fc9 part, that goes below)
-release
-epoch
-architecture 

packagebuildlisting:
-packagelisting - FKEY
-packagebuild - FKEY