chore(package): update react-style-proptype to version 3.0.0
chore(package): update react-style-proptype to version 3.0.0

https://greenkeeper.io/

# Conflicts:
#	package.json

cwillisf/scratch-gui,cwillisf/scratch-gui,LLK/scratch-gui,LLK/scratch-gui,cwillisf/scratch-gui