chore(package): update scratch-blocks to version 0.1.0-prerelease.1529085495
chore(package): update scratch-blocks to version 0.1.0-prerelease.1529085495

Closes #2362
LLK/scratch-gui,cwillisf/scratch-gui,cwillisf/scratch-gui,cwillisf/scratch-gui,LLK/scratch-gui