add help text to bump fee dialog
add help text to bump fee dialog

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