No need to check if the filter exists and throw an exception, angular will throw a module exception anyway due to an unknown provider.
No need to check if the filter exists and throw an exception, angular will throw a module exception anyway due to an unknown provider.

Refers to feature #25.

sagrawal14/bootstrap-angular-validation,sagrawal14/bootstrap-angular-validation,sagrawal31/bootstrap-angular-validation,sagrawal31/bootstrap-angular-validation