Added tslint.json and made modifications as per the linter.

APM - Final/app/app.component.ts

APM - Final/app/home/welcome.component.ts

APM - Final/app/main.ts

APM - Final/app/products/product-detail.component.ts

APM - Final/app/products/product-filter.pipe.ts

APM - Final/app/products/product-list.component.ts

APM - Final/app/products/product.service.ts

APM - Final/app/shared/star.component.ts

APM - Final/package.json

APM - Final/tslint.json