circle: update requirements

requirements/base.txt

@@ -4,7 +4,7 @@ arrow==0.5.4
 billiard==3.3.0.20
 bpython==0.14.1
 celery==3.1.18
-Django==1.8.1
+Django==1.8.2
 django-appconf==1.0.1
 django-autocomplete-light==2.1.1
 django-braces==1.8.0
@@ -18,22 +18,22 @@ django-tables2==0.16.0
 django-taggit==0.14.0
 docutils==0.12
 Jinja2==2.7.3
-jsonfield==1.0.0
-kombu==3.0.23
+jsonfield==1.0.3
+kombu==3.0.26
 logutils==0.3.3
 MarkupSafe==0.23
 netaddr==0.7.14
-pip-tools==0.3.5
+pip-tools==0.3.6
 psycopg2==2.6
 Pygments==2.0.2
-pylibmc==1.4.2
+pylibmc==1.4.3
 python-dateutil==2.4.2
 pyinotify==0.9.5
-pytz==2015.2
+pytz==2015.4
 requests==2.7.0
-salt==2014.7.5
+salt==2015.5.1
 shutilwhich==1.1.0
-simplejson==3.6.5
+simplejson==3.7.2
 six==1.9.0
 slimit==0.8.1
 sqlparse==0.1.15