angular/angular.dart — pull request #676 by matsko (2014-03-04 18:31:14+00:00)
Title: fix(NgModelValidators): ensure that number input types do are invalid when non-numeric characters

input[type="number"] treats non-numeric values as NaN values and these are considered valid when
double.parse is used. This commit fixes the validation for the model to properly address the
invalid number when a NaN value is detected.