Add polyfills
Add polyfills

Unit testing with CSS errors - Failed: undefined is not a
constructor (evaluating 'suffix.startsWith('{' +
BLOCK_PLACEHOLDER)')

To get around this, add polyfills as per
https://github.com/angular/angular-cli/issues/4654

family-guy/mathdruck-ng1,family-guy/mathdruck-ng1,family-guy/mathdruck-ng1