1. Added FacebookLoginPage
2. Improved the panorama view
Added two "More" books buttons.
Adds GoogleBooksAPI
Replaced OpenLibrary with GoogleBooksApi
Using gzip, partial response, sorting, startIndex and maxResults for GoogleBooksAPI.
Adds infoLink to the VolumeInfo
Minor update for GZipWebClient.cs
Adds api to get the totalItems number of a book
Removed the totalItems check in the book api.
Added isbn, googlebookid to Progress