Update to use the correct version of the package

Author: Irfan Azeez

askbot/__init__.py

@@ -37,7 +37,7 @@
     'openid': 'python-openid',
     'picklefield': 'django-picklefield==0.3.0',
     'pystache': 'pystache==0.3.1',
-    'pytz': 'pytz==2013b',
+    'pytz': 'pytz==2013b0',
     'captcha': 'django-recaptcha>=1.0.3',
     'requirements': 'requirements-parser',
     'robots': 'django-robots==1.0',