Can add fields to a book using update modal.
Merge branch 'master' of https://github.com/IsabellaBhardwaj/bookdb into cassandra_version
Remove capabilities for cassandra version. Remove capabilities for mongodb
also on this branch.
Made text fields show up automatically on modal, and eliminated the 'See
All Fields' button for mongodb and cassandra.
Fixed the error on the modal when updating fields with single or double
quotes.
Removed debugging print statement and changed modal_result to js_result to
reflect where it's used.
Added featured function, but it currently always pulls up the same one.
Added 'featured' page to cassandra, but it currently pulls up the same
page all the time.
Made the 'add' in the Cassandra version in a batch.
Add in batch for cassandra version
Merge pull request #5 from IsabellaBhardwaj/cassandra_version

Cassandra version