chore(package): update scratch-paint to version 0.2.0-prerelease.20180514184134
chore(package): update scratch-paint to version 0.2.0-prerelease.20180514184134

Closes #1949
LLK/scratch-gui,LLK/scratch-gui,cwillisf/scratch-gui,cwillisf/scratch-gui,cwillisf/scratch-gui