Add js extensions to the files to satisfy Heroku quirks
Add js extensions to the files to satisfy Heroku quirks

hpinsley/angular-mashup,hpinsley/angular-mashup,hpinsley/angular-mashup,AngularShowcase/angular2-seed-example-mashup,AngularShowcase/angular2-seed-example-mashup,AngularShowcase/angular2-seed-example-mashup