Revert "Mongoose validation error response test"
Merge pull request #59 from rangle/revert-57-mongoose-validation-test

Revert "Mongoose validation error response test"
Adding initial koastified notification code
Implementation of koastified notifications module
Add tests + docstrings and move config files
Export send function instead of object, fix tests, improve error handling
Use koast logging, make GCM collapseKey and APN badge optional
Update for koast 0.4. Update documentation.
Update for new config convention, including error handling and tests
Make jshint happy
Add missing config checks
Add production flag for iOS notifications