Substituted 'shortcut function' for 'factory method' in tutorial

Many newbies don't know what a factory method is, nor is it pertinent to the
information the tutorial hopes to convey.

docs/intro/tutorial05.txt

@@ -451,7 +451,7 @@ Add the following to ``polls/tests.py``:
 
     from django.core.urlresolvers import reverse
 
-and we'll create a factory method to create questions as well as a new test
+and we'll create a shortcut function to create questions as well as a new test
 class:
 
 .. snippet::
@@ -529,7 +529,7 @@ class:
 
 Let's look at some of these more closely.
 
-First is a question factory method, ``create_question``, to take some
+First is a question shortcut function, ``create_question``, to take some
 repetition out of the process of creating questions.
 
 ``test_index_view_with_no_questions`` doesn't create any questions, but checks