replace indexb and its dependece on leveldb commits
replace indexb and its dependece on leveldb commits

ethereum/pyethereum,inzem77/pyethereum,pipermerriam/pyethereum,ckeenan/pyethereum,ethermarket/pyethereum,harlantwood/pyethereum,shahankhatch/pyethereum,karlfloersch/pyethereum,shahankhatch/pyethereum,pipermerriam/pyethereum,vaporry/pyethereum,ddworken/pyethereum,ethereum/pyethereum,karlfloersch/pyethereum,jnnk/pyethereum,holiman/pyethereum