Merge branch 'master' of https://github.com/radio-helsinki-graz/pv

program/models.py

 from django.contrib.auth.models import User
 from django.core.exceptions import ObjectDoesNotExist, ValidationError, MultipleObjectsReturned
-from django.core.urlresolvers import reverse
+from django.urls import reverse
 from django.db import models
 from django.db.models import Q
 from django.utils.translation import ugettext_lazy as _

requirements.txt

-Django==1.9.13
+Django==1.11.2
 MySQL-python==1.2.5
-Pillow==3.3.0
-PyYAML==3.11
-django-tinymce==2.3.0
-python-dateutil==2.5.3
+Pillow==4.1.1
+PyYAML==3.12
+django-tinymce==2.6.0
+python-dateutil==2.6.0