Adds initial function to load reviews from XML
Loads reviews, but merge sql statements fail
Successfully adds all reviews to h2 database

There is a problem with using backslashes so I replace them with
forward slashes.
Merge branch 'reviews' into test

Conflicts:
	README.md
	core/src/main/java/com/shopzilla/service/shoppingcart/data/ShoppingCartDao.java
	service/src/main/java/com/shopzilla/service/product/ProductService.java
Merged with Jason's code, added button to fetch reviews from database
Reviews are correctly imported into h2 database, but since there are a lot, I have limited them to the first 100