kivy: add 'delete channel' button
kivy: add 'delete channel' button

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