Upgrade package.json for React v0.14 compatibility
Upgrade package.json for React v0.14 compatibility

cncjs/cncjs,cheton/cnc,cheton/piduino-grbl,cheton/cnc.js,cheton/cnc.js,cheton/cnc.js,cheton/cnc,cheton/piduino-grbl,cncjs/cncjs,cncjs/cncjs,cheton/piduino-grbl,cheton/cnc