Added validatesNumericalityOf to validations
can.route references delegate but does not include it - https://github.com/bitovi/canjs/issues/353
Do not convert Deferreds into Observes
Remove function check
Merge pull request #373 from bitovi/issue-353-route-delegate

can.route references delegate but does not include it
Merge pull request #370 from sporto/feature/validateNumericality

Added validatesNumericalityOf to validations
Merge pull request #367 from bitovi/deferred-conversion-367

can.Observe makes can.Deferred into an observable