Bianca/details

**Before this is merged in, @shakeelmohamed to rebase away commit 19883c8**
Create entity classes for property detail information and map EAN response data
We should randomly test some images with an HTTP request, see what I did for HotelSummary: https://github.com/seattleu/MobileAPI/blob/cb085c2f80c76501debfd10f91f4f992438bc224/src/test/java/com/expedia/seattleu/dataaccess/repositories/EanPropertyServiceTest.java#L135