Reorganize requirements file

requirements/production.txt

@@ -1,24 +1,34 @@
+APScheduler==2.0.3
+
+cssmin==0.1.4
+
 Django==1.4.13
 django-pagination==1.0.7
-wsgiref==0.1.2
+django-compressor==1.1.1
 django-taggit==0.9.3
 -e git+https://github.com/django-mptt/django-mptt.git@0af02a95877041b2fd6d458bd95413dc1666c321#egg=django-mptt
--e git+https://github.com/ahupp/python-magic.git@0d8f718f786a6ed7691fb3d9af726e395ac75ac3#egg=python-magic
-slate==0.3
-ghostscript==0.4.1
-pdfminer==20110227
-APScheduler==2.0.3
-Pillow==1.7.8
-cssmin==0.1.4
-django-compressor==1.1.1
 -e git+https://github.com/rosarior/django-sendfile.git#egg=django-sendfile
 djangorestframework==2.3.13
-South==0.7.6
+
+GitPython==0.3.2.RC1
+ghostscript==0.4.1
+
+Pillow==1.7.8
+PyYAML==3.10
+pbs==0.105
+pdfminer==20110227
+psutil==0.5.1
 https://github.com/rosarior/python-gnupg/zipball/0.2.8
 python-hkp==0.1.3
+-e git+https://github.com/ahupp/python-magic.git@0d8f718f786a6ed7691fb3d9af726e395ac75ac3#egg=python-magic
+
 requests==0.14.1
-pbs==0.105
-psutil==0.5.1
-GitPython==0.3.2.RC1
-PyYAML==3.10
+
+slate==0.3
+South==0.7.6
+
 unicode-slugify==0.1
+
+wsgiref==0.1.2
+
+