Bitcoin Core 0.9.3 rc2 is available for download

FYI rc2 has been uploaded last weekend to https://bitcoin.org/bin/0.9.3/test/, with some further fixes in network and memory behaviour

- Remove a useless millisleep in socket handler - Stricter memory limits on CNode - Better orphan transaction handling - Add `-maxorphantx=<n>` and `-maxorphanblocks=<n>` options for control over the maximum orphan counts

Wladimir