New release of TomP2P 4.1.2-preview. The changes are: 
- upgrade to latest JDBM
 - switched to logback for logging
 - added support for Bloom filters in get() and digetst()
 - better handling of "connection reset by peer"
 - fixed PeerConnection
 - improved success evaluation for futures
 - added examples for similarity search, distributed segment trees, and Bloom filters