Update example boilerplate

Author: mdmintz

examples/boilerplates/master_class.py renamed to examples/boilerplates/master_test_case.py

@@ -2,7 +2,7 @@
 You can use this as a boilerplate for your test framework.
 Define your customized library methods in a master class like this.
 Then have all your test classes inherit it.
-The master class will inherit SeleniumBase methods from BaseCase.
+MasterTestCase will inherit SeleniumBase methods from BaseCase.
 '''
 
 from seleniumbase import BaseCase
@@ -27,7 +27,7 @@ def example_method(self):
 '''
 # Now you can do something like this in your test files:
 
-from master_class import MasterTestCase
+from master_test_case import MasterTestCase
 
 class MyTests(MasterTestCase):