Reorganize requirements in alfabetic order

To enable the use of pip-dump

requirements/dev-requirements.txt

@@ -3,6 +3,4 @@
 django-debug-toolbar==1.2.1
 ipdb==0.8
 ipython==2.3.0
-
-# para usar o comando "graph_models" do "django-extensions"
 pygraphviz==1.2

requirements/observacoes.txt

@@ -0,0 +1,7 @@
+Observações sobre as dependências:
+
+Produção:
+    * Geraldo: Eh importante usar "-e" pois precisamos do modulo reporting do fonte que nao eh instalado
+
+Desevenvolvimento:
+    * pygraphviz: para usar o comando "graph_models" do "django-extensions"

requirements/requirements.txt

@@ -1,24 +1,19 @@
-Django==1.7
-Pillow==2.6.0
+-e git://github.com/marinho/geraldo.git@868ebdce67176d9b6205cddc92476f642c783fff#egg=geraldo
 django-admin-bootstrapped==2.3.2
 django-auth-ldap==1.2.2
 django-autoslug==1.7.2
 django-extensions==1.4.0
+django-image-cropping==0.9
 django-localflavor==1.0
+Django==1.7
+easy-thumbnails==2.2
 eav-django==1.4.7
+gunicorn==19.1.1
 html5lib==0.999
+Pillow==2.6.0
 pisa==3.0.33
 psycopg2==2.5.4
+python-memcached==1.53
+PyYAML==3.11
 reportlab==2.7
 six==1.8.0
-PyYAML==3.11
-
-django-image-cropping==0.9
-easy-thumbnails==2.2
-
-# 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==19.1.1
-python-memcached==1.53

requirements/test-requirements.txt

@@ -1,10 +1,10 @@
 -r requirements.txt
 
-pytest-django==2.7.0
-WebTest==2.0.16
-django-webtest==1.7.7
-django-dynamic-fixture==1.7.0
 coverage==3.7.1
-pytest-cov==1.8.0
+django-dynamic-fixture==1.7.0
+django-webtest==1.7.7
 pyPdf==1.13
 pyquery==1.2.9
+pytest-cov==1.8.0
+pytest-django==2.7.0
+WebTest==2.0.16