- Enable P256 caching
 - Create cached Ed25519 cert and enable
 - Fix cached P256 hashcode

   - Change default RI sig type to Ed25519, with a 10% chance od
     rekeying from DSA at each restart
   - Don't initialize KeyManager before selecting sig type
   - Don't log KeyManager error when changing sig type

   - Return partial piece to coordinator after reject
   - Fix tracking of downloaded portion of piece after reject
   - Send reject on receipt of bad request
   - Mark piece unrequested after receiving bad data, so it
     will be requested again, but not from the same peer
   - Fix NPE in Request constructor on error
   - Fix stuck before completion due to reject handling (ticket #1633)

Fix typo in local address in I2PSSLSocketFactory
Another findbugs char encoding fix
Add keystore password option to SU3File command line

     and '8ec6b122079156e35f7515afa5eb433a13ce41b0'

     and 'c61353ade089ac0e1fa83fab661dc6893b51b95a'

Spacing for news headings in summary bar

char encoding

char encoding, remove FileReader/FileWriter
Fix TunnelConfig bug

Mostly char encoding
Use StringWriter rather than OSW->BAOS->String

- Fix NPE (#1615, h/t kytv)
- Fix start/stop status resumption on restart (#766, h/t backup)