Merge pull request #96 from ethersphere/feature/keys

ethereal/flags.go

ethereal/main.go

ethereal/ui/debugger.go

ethereal/ui/ext_app.go

ethereal/ui/gui.go

ethereal/ui/html_container.go

ethereal/ui/library.go

ethereal/ui/qml_app.go

ethereal/ui/ui_lib.go

ethereum/flags.go

ethereum/javascript_runtime.go

ethereum/main.go

install.sh

utils/cmd.go

utils/keys.go