update release notes, add date
update release notes, add date

spesmilo/electrum,pooler/electrum-ltc,asfin/electrum,fujicoin/electrum-fjc,vialectrum/vialectrum,cryptapus/electrum,kyuupichan/electrum,wakiyamap/electrum-mona,asfin/electrum,asfin/electrum,pooler/electrum-ltc,vialectrum/vialectrum,vialectrum/vialectrum,spesmilo/electrum,fujicoin/electrum-fjc,wakiyamap/electrum-mona,pooler/electrum-ltc,wakiyamap/electrum-mona,pooler/electrum-ltc,cryptapus/electrum,neocogent/electrum,neocogent/electrum,wakiyamap/electrum-mona,kyuupichan/electrum,cryptapus/electrum,spesmilo/electrum,kyuupichan/electrum,spesmilo/electrum,neocogent/electrum,fujicoin/electrum-fjc