Add Node 7 to Travis
Add Node 7 to Travis

hemnstill/react-draggable,hemnstill/react-draggable,STRML/react-draggable,mzabriskie/react-draggable,mzabriskie/react-draggable,hemnstill/react-draggable,mzabriskie/react-draggable,STRML/react-draggable,hemnstill/react-draggable,STRML/react-draggable