fix($controller): allow identifiers containing `$`

As discussed in https://github.com/angular/angular.js/issues/13664#issuecomment-170536024.

Closes #13736

Georgios Kalpakas committed 10y ago

4e1b36c21686ad0ca4930d1d81f77a7d9cc35851

Parent: d4fa331

Committed by Peter Bacon Darwin <pete@bacondarwin.com> on 1/11/2016, 9:23:37 PM