switch typescript back to 2.0.10 because of ngc does not work with 2.1.x
switch typescript back to 2.0.10 because of ngc does not work with 2.1.x

beginor/ng2-esri-demo,beginor/ng-seed,beginor/ng2-esri-demo,beginor/ng-seed,beginor/ng-seed,beginor/angular-seed,beginor/angular-seed,beginor/angular-seed,beginor/ng2-esri-demo