Update chokidar dependency
Update chokidar dependency

You should update the chokidar dependency as it solved a bug installing it on non-Mac devices.
Maybe you should consider using a range like `"chokidar": "~0.8.2"` for all dependencies?
sethx/grunt-ts,vp2177/grunt-ts,SonicGD/grunt-ts,Softpagehomeware/grunt-ts,vp2177/grunt-ts,vp2177/grunt-ts,TypeStrong/grunt-ts,TypeStrong/grunt-ts,Softpagehomeware/grunt-ts,Softpagehomeware/grunt-ts,sethx/grunt-ts,SonicGD/grunt-ts,sethx/grunt-ts,TypeStrong/grunt-ts,SonicGD/grunt-ts