#501 Added a resource property to can.Model. Removed trailing forward slashes from URL.
#501 Fixed error that was breaking all model tests.
#501 Finished up documentation on new function.
#501 Forgot to run grunt test. Lint error.
Handles removing 0 or more trailing slashes from the URL.
#501 Handles removing 1 or more trailing slash -- uglify didn't like the * in my regexp.
Added example inline documentation for createURLFromResource
Pulled out documentjs comment out in to the data folder.

Did not remove the documentjs comments from the model.js file
as they are useful for working on the docco comments.

Will be removed in time.
#501 Added documentjs docs to the docs folder for canjs.com documentation
Merge pull request #912 from bitovi/501-resource-model-property

501 resource model property