inital products commit
Merge branch 'products'

Conflicts:
	src/main/java/de/nordakademie/business/product/Product.java
	src/main/java/de/nordakademie/business/product/ProductDAO.java
	src/main/java/de/nordakademie/business/product/ProductService.java
	src/main/java/de/nordakademie/persistence/product/ProductDAOImpl.java
	src/main/java/de/nordakademie/ui/HomePage.html
	src/main/java/de/nordakademie/ui/HomePage.java
	src/main/java/de/nordakademie/ui/ProductDetailsPanel.html
	src/main/java/de/nordakademie/ui/ProductDetailsPanel.java
	src/main/java/de/nordakademie/ui/SecondPage.html
	src/main/java/de/nordakademie/ui/SecondPage.java
	src/main/webapp/static/css/main.css