Update requirements for Django 1.11

This has long enough support to reach post conf + a fair bit.

constraints.txt

@@ -1 +1,11 @@
+django<1.12,>=1.11
 pysaml2==4.4.0
+django-countries>=4.3
+-e git+https://github.com/SmileyChris/easy-thumbnails.git@master#egg=easy_thumbnails
+-e git+https://github.com/nakato/django-sitetree.git@master#egg=django-sitetree
+-e git+https://github.com/nakato/django-model-utils.git@iter_class#egg=django-model-utils
+-e git+https://github.com/nakato/registrasion.git@master#egg=registrasion
+-e git+https://gitlab.com/lca2018/symposion.git@lca2018#egg=symposion
+-e git+https://github.com/chrisjrn/registrasion-stripe.git@master#egg=registrasion-stripe
+-e git+https://github.com/nakato/django-gapc-storage.git@master#egg=django-gapc-storage
+

pinaxcon/settings.py

@@ -189,8 +189,8 @@ DEBUG_TOOLBAR_PANELS = [
     'debug_toolbar.panels.headers.HeadersPanel',
     'debug_toolbar.panels.request.RequestPanel',
     'debug_toolbar.panels.sql.SQLPanel',
-    'debug_toolbar.panels.staticfiles.StaticFilesPanel',
     'debug_toolbar.panels.templates.TemplatesPanel',
+    'debug_toolbar.panels.staticfiles.StaticFilesPanel',
     'debug_toolbar.panels.cache.CachePanel',
     'debug_toolbar.panels.signals.SignalsPanel',
     'debug_toolbar.panels.logging.LoggingPanel',

requirements.txt

@@ -1,5 +1,4 @@
-# Should use latest 1.9 for security
+Django>=1.11
-Django==1.9.7
 pinax-theme-bootstrap==7.3.0
 metron==1.3.7
 pinax-eventlog==1.1.1
@@ -8,10 +7,10 @@ dj-static==0.0.6
 dj-database-url==0.4.0
 pylibmc==1.5.1
 raven==5.27.0
-django-debug-toolbar==1.6
+django-debug-toolbar>=1.7
 
 djangosaml2
--e git+https://github.com/nakato/django-gapc-storage.git@master#egg=django-gapc-storage
+django-gapc-storage
 
 # database
 mysqlclient>=1.3.3
@@ -19,7 +18,6 @@ mysqlclient>=1.3.3
 # For testing
 django-nose>=1.4.4
 coverage==4.0.3
-
+symposion
--e git+https://gitlab.com/lca2018/symposion.git@lca2018#egg=symposion
+registrasion
--e git+https://github.com/chrisjrn/registrasion.git@master#egg=registrasion
+registrasion-stripe
--e git+https://github.com/chrisjrn/registrasion-stripe.git@master#egg=registrasion-stripe