Set the database and upload to parse

User has the booksrelations
Updated BookShelf and AddBook

Bookshelf loads the data from parse.
AddBook unwind to the bookshelf.
Check the textfield in Addbook.
Merge branch 'AddBook-'
Updated BooksTableViewController

Load the data from Parse
Updated BookDetails

Link cell in books to bookDetails
Add the holderName to Details
Revert "Merge branch 'AddBook-'"

This reverts commit 4ee7341d6bdd643f06239c0b42c6bc4c79698097, reversing
changes made to 99c881a673cb5a9dea1e2c25c81200ace3af5d48.
Revert 4ee7341..49344c1

This rolls back to commit 4ee7341d6bdd643f06239c0b42c6bc4c79698097.
Discover addBook did not work
Revert a794cbb..873bb6d

This rolls back to commit a794cbb763eea924bbda392fe5dc2dd3e4807d02.
Revert 873bb6d..29ecfc9

This rolls back to commit 873bb6d258ea50422062ee51b55741e0bfd99f73.
Fix cannot add books problem

shouldPerformSegue — return No is put to the wrong place
Merge branch 'Books'
Saved request and get it from parse
Saved the RequestsRelation
Added note and comment to parse
Updated RequestTVC

Search through 2 relation to get the books which have more than 1
request
Add the noOfRuqests for Book
Finish RequestTableViewController
Add fetchBooks methods in bookshelf and booklist