Pin Django dependency to 1.4

Fixes tobami#135
Avoid future South version breakage

Author: tobami

requirements.txt

@@ -1,5 +1,6 @@
-Django>=1.3
-South>=0.7.3
+Django==1.4
+South<=2.0
 isodate==0.4.8
 -e git://github.com/toastdriven/django-tastypie.git@5397dec04fe83092a56ba14a843731f2aa08184d#egg=django-tastypie
+#django-tastypie==0.9.15
 #-e git://github.com/robhudson/django-debug-toolbar.git#egg=django-debug-toolbar

setup.py

@@ -7,7 +7,7 @@
     version='0.9.1',
     url='https://github.com/tobami/codespeed',
     license='GNU Lesser General Public License version 2.1',
-    install_requires=['django>=1.3', 'isodate', 'south', 'django-tastypie'],
+    install_requires=['django==1.4', 'isodate', 'south<=2.0', 'django-tastypie'],
     packages=find_packages(exclude=['ez_setup', 'sample_project']),
     description='A web application to monitor and analyze the performance of your code',
     include_package_data=True,