Grunt: jshint-spec added for client specs, jshint added to test task.
Client: Book Controller initially implemented.
Client: Book link added to bookcase list.
Client: breadcrumb added.
Client: book detail initially added.
Client: cosmetic fix.
Client: input component added.
Client: setting bookcaseId for book implemented.
Client & Server: required fields marked on server and added and validated on client.