Did some cleaning in BasicView
added top navigation bar in template.xhtml
updated navigation bar, links to dashboard and products, added tabview to dashboard, restructured products
Merge remote-tracking branch 'origin/productpopup' into dev

Conflicts:
	src/main/java/se/chalmers/bestwebapp4eva/views/BasicView.java
	src/main/webapp/WEB-INF/template.xhtml
	src/main/webapp/partials/dashboard.xhtml
	src/main/webapp/partials/products.xhtml
	src/main/webapp/resources/css/bootstrap.css