Before releasing contrib-27:

- import freenet.support.CPUInformation.*, net.i2p.util.NativeBigInteger{,Test}
  - preserve history or not?

After releasing contrib-27:

- remove freenet.support.CPUInformation.*, net.i2p.util.NativeBigInteger{,Test} from fred
- remove org.bitpedia.* from fred
- switch fred to use the commons-compress API
