Play nicely with generics in MockPage
It makes more sense that views have the same name as their respective template

--HG--
rename : webapp/src/main/java/org/testinfected/petstore/controllers/Checkout.java => webapp/src/main/java/org/testinfected/petstore/controllers/ProceedToCheckout.java
rename : webapp/src/main/java/org/testinfected/petstore/views/Bill.java => webapp/src/main/java/org/testinfected/petstore/views/Checkout.java
rename : webapp/src/main/java/org/testinfected/petstore/views/RenderedPage.java => webapp/src/main/java/org/testinfected/petstore/views/PlainPage.java
rename : webapp/src/main/java/org/testinfected/petstore/views/ProductsFound.java => webapp/src/main/java/org/testinfected/petstore/views/Products.java
rename : webapp/src/test/java/test/unit/org/testinfected/molecule/util/MimeTypeTest.java => webapp/src/test/java/test/unit/org/testinfected/molecule/util/MimeTypesTest.java
rename : webapp/src/test/java/test/unit/org/testinfected/petstore/controllers/CheckoutTest.java => webapp/src/test/java/test/unit/org/testinfected/petstore/controllers/ProceedToCheckoutTest.java
rename : webapp/src/test/resources/test/assets/image.png => webapp/src/test/resources/test/assets/images/image.png