Merge pull request #472 from michelts/static-live-server-test-case

Use Django 1.7 StaticLiveServerTestCase when available

lettuce/django/server.py

@@ -324,11 +324,15 @@ class DefaultServer(BaseServer):
 
 
 try:
-    from django.test.testcases import LiveServerTestCase
+    try:
+        from django.contrib.staticfiles.testing import \
+            StaticLiveServerTestCase as LiveServerTestCase
+    except ImportError:
+        from django.test.testcases import LiveServerTestCase
 
     class DjangoServer(BaseServer):
         """
-        A sever that uses Django's LiveServerTestCase to implement the Server class.
+        A server that uses Django's LiveServerTestCase to implement the Server class.
         """
 
         _server = None