Update Django and dependencies to the latest upstream versions.

Needed since Django 1.7.6 does not work with Python 3.5

misago/project_template/requirements.txt

@@ -1,16 +1,16 @@
-django==1.7.6
-djangorestframework==3.3.2
-beautifulsoup4==4.3.2
-bleach==1.4.1
-django-debug-toolbar==1.3.2
-django-crispy-forms==1.4.0
-django-htmlmin==0.7
-django-mptt==0.7.4
-fake-factory==0.4.2
-markdown==2.4.1
-path.py==7.0
-pillow==2.7.0
-psycopg2==2.5.4
+django==1.9.6
+djangorestframework==3.3.3
+beautifulsoup4==4.4.1
+bleach==1.4.2
+django-debug-toolbar==1.4
+django-crispy-forms==1.6.0
+django-htmlmin==0.9.1
+django-mptt==0.8.4
+fake-factory==0.5.7
+markdown==2.6.6
+path.py==8.2.1
+pillow==3.2.0
+psycopg2==2.6.1
 pytz
 requests<3
 unidecode