Changed template names to match project specifications

lance_santuyo_reading/bookshelf/views.py

 from django.shortcuts import render
-from django.http import HttpResponse
 from django.views import View
 from django.views.generic.list import ListView
 from django.views.generic.detail import DetailView
@@ -14,17 +13,21 @@ class HomepageView(View):
 
 class BooksPageView(ListView):
     model = Books
+    template_name = 'bookshelf/books.html'
     context_object_name = 'book_list'
 
 
 class BooksDetailsView(DetailView):
     model = Books
+    template_name = 'bookshelf/book_details.html'
 
 
 class AuthorsPageView(ListView):
     model = Author
+    template_name = 'bookshelf/authors.html'
     context_object_name = 'author_list'
 
 
 class AuthorsDetailsView(DetailView):
     model = Author
+    template_name = 'bookshelf/author_details.html'