Add output for when generic ORM instances are used instead of specific classes.

My hope is that this helps people who frequently get confused by automatic models being used when CakePHP cannot find their table class.

The content added looks like:

![screen shot 2014-08-24 at 9 57 18 am](https://cloud.githubusercontent.com/assets/24086/4022902/67ea3a80-2b64-11e4-9744-697d118c5915.png)