- Store received chunks in temp files
   - Don't allocate from heap for unneeded chunks
   - Remove peer count restriction for torrents with large pieces
   - Use priorities and rarest calculations to sort partials
   - Preserve p parameter in clear messages link

(These were sent to transifex too late to make it into 0.9)

     and '71ed1d74f02291ae56a495e97fae65970bfbdd30'

     and 'e78c33c88a31edac9e53dd6cdf973886ecabd996'

     and 'c1edfeadb75181e65ad8d4c0005b861f3563dd5b'

Izpack tries to parse the 'unix-only' files in Windows. If we don't copy them,
the installation will fail in Windows. Therefore, moving the files that were in
the preppkg-unix target to the preppkg-base target. They're so small I don't
see how this will be a problem.