Added modal for purchase on the product page
Added tests for product controller.
Created basic unit tests for product factory
Cleaned up code and finished basic unit test coverage for all controllers and factories
Additional code cleanup.  Removed unneccessary code.
Removed unneccessary code.
Deleted more unneccessary code and styled main navbar's purchase button to behave like the rest of the buttons.
Add ngAnimate to fade in image covers on category view page.
Animated styling for the cover div title on product page.
Fixed carousel by removing 'ngAnimate' as a dependency in the module.
Added factory to main view for dynamically loading main view's copy.
Merge pull request #20 from SunJieMing/master

Test and Code Cleanup