Began implementing ability to add searched books to shelf
Implemented ability to add book from search view. Fixed rendering/scroll issue on best seller book view
Updated formatting for book detail view
Updated 'add to shelf' button to rerender correctly on new book loads
Add funtionality to turn on or off the 'add to shelf' button
Merge branch 'dev' of https://github.com/betterReads/betterReads into dev