Testing on backend API calls, using mock; add runtests.py.

Cherry-picked from:
8c26807a - Add runtests.py for testing separately from other Django apps
cd8504b1 - Make tests compatible with setuptools
4ac65b78 - Set up testing on the backend API calls, using mock

runtests.py

@@ -0,0 +1,35 @@
+# python setup.py test
+#   or
+# python runtests.py
+
+import sys
+from django.conf import settings
+
+APP='djrill'
+
+settings.configure(
+    DEBUG=True,
+    DATABASES={
+        'default': {
+            'ENGINE': 'django.db.backends.sqlite3',
+        }
+    },
+    ROOT_URLCONF=APP+'.urls',
+    INSTALLED_APPS=(
+        'django.contrib.auth',
+        'django.contrib.contenttypes',
+        'django.contrib.sessions',
+        'django.contrib.admin',
+        APP,
+    )
+)
+
+from django.test.simple import DjangoTestSuiteRunner
+
+def runtests():
+    test_runner = DjangoTestSuiteRunner(verbosity=1)
+    failures = test_runner.run_tests([APP, ])
+    sys.exit(failures)
+
+if __name__ == '__main__':
+    runtests()