Merge pull request #9 from amykangweb/tests

Add products controller tests for non-admin users.

Add controller test for creating review.

Add controller test for deleting gem.

Add controller test for updating gem.

Add rspec and capybara. Create test for Api::ProductsController.

Change colon in reviews controller to rocket too.

Change colons to rockets for json because heroku hates it. And hide edit and delete buttons when editing.

Merge pull request #8 from amykangweb/cookie

Add delete gem functionality for admin.

Working gem update form.

Add Create for Reviews.

Update store controller to send params as data.

Add margin between password field and submit button.

General code clean up and clear form on log in.