Update requirement versions

requirements/common.txt

@@ -1,29 +1,28 @@
-Django==1.7.7
+Django==1.7.8
 
-Pillow==2.7.0
+Pillow==2.8.1
 
 celery==3.1.18
 cssmin==0.2.0
 
 django-activity-stream==0.5.1
 django-celery==3.1.16
-django-compressor==1.4
-django-cors-headers==1.0.0
+django-compressor==1.5
+django-cors-headers==1.1.0
 django-filetransfers==0.1.0
 django-pagination==1.0.7
 django-model-utils==2.2
-django-mptt==0.6.1
-django-rest-swagger==0.2.0
-django-sendfile==0.3.6
+django-mptt==0.7.4
+django-rest-swagger==0.3.0
+django-sendfile==0.3.7
 django-solo==1.1.0
-django-suit==0.2.12
+django-suit==0.2.13
 django-widget-tweaks==1.3
 djangorestframework==2.4.4
 
 pdfminer==20110227
-psutil==2.1.3
 pycountry==1.10
-python-dateutil==2.4.1
+python-dateutil==2.4.2
 pytz==2015.4
 python-gnupg==0.3.7
 python-hkp==0.1.3
@@ -31,7 +30,3 @@ python-magic==0.4.6
 
 sh==1.11
 slate==0.3
-
-unicode-slugify==0.1.3
-
-wsgiref==0.1.2

requirements/development.txt

@@ -1,8 +1,8 @@
 # requirements/development.txt
 -r common.txt
 Werkzeug==0.10.4
-django-extensions==1.5.2
-django-rosetta==0.7.5
+django-extensions==1.5.5
+django-rosetta==0.7.6
 transifex-client==0.10
 django-debug-toolbar==1.3.0
-ipython==3.0.0
+ipython==3.1.0