P2Pool release 13.4 - commit hash: 8e7cb8223a38bdd4ff55971d2945f5ccb571e063

Windows binary: http://u.forre.st/u/wftncvpn/p2pool_win32_13.4.zip
Windows binary signature: http://u.forre.st/u/eoietnxc/p2pool_win32_13.4.zip.sig
Source zipball: https://github.com/forrestv/p2pool/zipball/13.4
Source tarball: https://github.com/forrestv/p2pool/tarball/13.4

Changes:
* Require Litecoin >=0.8.5.1
* Warn about old versions of Bitcoin and Terracoin
* Many improvements to web interface and graphs
* Fixed error messages being created in bitcoind's debug.log due to invalid message being sent