Replace expect with chai
Only serve tests in development
Concat all client tests automatically
Serve tests to the mocha page
Create a .jshintrc just for tests
Replace old boilerplate tests with the first real test! :D
Move loading of test scripts around
Register some useful test helpers for the DataStore
Make it clear that DataStore's store is a private variable
Create `clear` function for DataStore to clear all models
Update tests' jshintrc
Add test for model data preload routine