Added KIVY_USE_DEFAULTCONFIG = 1 so that Kivy tests are not affected by local configuration.

Author: geojeff

Makefile

@@ -2,6 +2,7 @@ PYTHON = python
 CHECKSCRIPT = kivy/tools/pep8checker/pep8kivy.py
 KIVY_DIR = kivy/
 NOSETESTS = nosetests
+KIVY_USE_DEFAULTCONFIG = 1
 HOSTPYTHON = $(KIVYIOSROOT)/tmp/Python-$(PYTHON_VERSION)/hostpython
 IOSPATH := $(PATH):/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin