Fix dependencies on Django/Babel to use lower-case egg names.

Author: EnTeQuAk

setup.py

@@ -24,8 +24,8 @@ def read(*parts):
 
 
 install_requires = [
-    'Django>=1.4,<1.8',
-    'Babel>=1.3',
+    'django>=1.4,<1.8',
+    'babel>=1.3',
 ]