Dev Guide: Solidity and PR review fixes
Dev Guide: Solidity and PR review fixes

tomashaber/raiden,tomaaron/raiden,tomashaber/raiden,charles-cooper/raiden,tomashaber/raiden,tomaaron/raiden,tomashaber/raiden,charles-cooper/raiden,tomaaron/raiden,tomaaron/raiden,hackaugusto/raiden,tomashaber/raiden,hackaugusto/raiden