commands: add dumpgraph command to see which nodes electrum knows about
commands: add dumpgraph command to see which nodes electrum knows about

pooler/electrum-ltc,wakiyamap/electrum-mona,wakiyamap/electrum-mona,pooler/electrum-ltc,wakiyamap/electrum-mona,spesmilo/electrum,pooler/electrum-ltc,pooler/electrum-ltc,vialectrum/vialectrum,spesmilo/electrum,spesmilo/electrum,spesmilo/electrum,vialectrum/vialectrum,vialectrum/vialectrum,wakiyamap/electrum-mona