fix(loader): Use correct import for core-js We were previously using `import core from core-js` which generates d.ts that do not match the corejs d.ts. This is now updated to `import * as core 'core-js'`, which resolves TypeScript compilation warnings.
fix(loader): Use correct import for core-js
We were previously using `import core from core-js` which generates d.ts that do not match the corejs d.ts. This is now updated to `import * as core 'core-js'`, which resolves TypeScript compilation warnings.

closes aurelia/framework#177

davismj/loader,hitesh97/loader,cmichaelgraham/loader,gavinaiken/loader,aurelia/loader