TRC hardfork @block 192239 / v0.8.0.2 (80002)

 - TRC build 0.8.0.2 (80002) is now the min_required build. p2pool won't
   start with an older TRC build.
 - TRC network IDENTIFIER & PREFIX values changed, so older nodes won't
   interfere anymore.
Added me as seed for WDC
Changed FTC FeatcheCoin data to more sane- another pool fork
completely specified required versions in README
Added Un unobtanium support (still testing)
Chaned links of block explorer for Un
Changed TRC data for hardfork after 0.8.0.2
send p2p version 70002

send p2p version 70002 to work properly on new LTC daemon
Merge pull request #136 from Rav3nPL/patch-1

send p2p version to 70002 to prevent litecoind from refusing connection due to too-old version
Merge pull request #133 from terracoin/trc_hardfork_80002

TRC hardfork @block 192239 / v0.8.0.2 (80002)
Fix connection to new LTC daemon.
Changed BTE data to more sane
Fixed BTE node diff problem.
added nonce to bitcoin p2p ping/pong messages to fix errors in bitcoind.log
lower maximum shares per node from 5% to 1.67% (from minimum of 10 minutes per share to 30 minutes)
Merge https://github.com/forrestv/p2pool
up to current P2pool version
Conflicts:
	p2pool/networks.py
	web-static/graphs.html
	web-static/index.html
added sponsors to README
require litecoin >=0.8.5.1
format durations on web pages by automatically choosing an appropriate time unit
reorganized format_dt