Implement Product page:
- Add ProductController to map requests to product page
Implement Product page:
- Use c:url and spring:url for pages to avoid long relative adreses
Revert "Implement Product page:"

This reverts commit 3b1e2785fac6d870f9dbd91e3291b55c0c17c14a.
Implement Product page:
- Use c:url and spring:url for pages to avoid long relative adreses
Implement Product page:
- Use c:url and spring:url for pages to avoid long relative adreses