Merge branch 'ui' of https://github.com/alexvandesande/go-ethereum into develop

cmd/mist/assets/backButtonDisabled.png

cmd/mist/assets/backButtonDisabled@2x.png

cmd/mist/assets/backButtonHover.png

cmd/mist/assets/backButtonHover@2x.png

cmd/mist/assets/browser.png

cmd/mist/assets/browser@2x.png

cmd/mist/assets/ext/mist.js

cmd/mist/assets/miner.png

cmd/mist/assets/mining-icon.png

cmd/mist/assets/mining-icon@2x.png

cmd/mist/assets/qml/main.qml

cmd/mist/assets/qml/views/browser.qml

cmd/mist/assets/qml/views/catalog.qml

cmd/mist/assets/qml/views/miner.qml

cmd/mist/assets/qml/views/wallet.qml