Atualizada versao do Django para 1.7 (e versoes de outras libs)

requirements/producao.txt

@@ -1,8 +1,8 @@
-Django==1.6.6
+Django==1.7
 Pillow==2.5.3
 django-auth-ldap==1.2.1
 django-autoslug==1.7.2
-django-extensions==1.3.11
+django-extensions==1.4.0
 git+git://github.com/jacobian/django-googlecharts.git@c542996cf9a7a097b447e1ce5a1a6b66bdad254f#egg=django_googlecharts
 django-localflavor==1.0
 django-treemenus==0.9.1
@@ -11,11 +11,11 @@ html5lib==0.999
 pisa==3.0.33
 psycopg2==2.5.4
 reportlab==2.7
-six==1.7.3
+six==1.8.0
 
 # eh importante usar -e pois precisamos do modulo reporting do fonte que nao eh instalado
 -e git://github.com/marinho/geraldo.git@868ebdce67176d9b6205cddc92476f642c783fff#egg=geraldo
 
 # Dependencias de producao
-gunicorn==18.0
+gunicorn==19.1.1
 python-memcached==1.53