misc: don't maintain django 1.8 compatibility anymore

debian/control

@@ -17,7 +17,7 @@ Architecture: all
 Depends: ${python:Depends},
     ${misc:Depends},
     gunicorn,
-    python-django (>= 1.7),
+    python-django (>= 1.11),
     python-django (<< 1:1.12),
     python-setuptools,
     python-psycopg2,

setup.py

@@ -11,7 +11,7 @@ from setuptools import setup, find_packages
 from setuptools.command.install_lib import install_lib as _install_lib
 
 install_requires=[
-          'Django>=1.8,<1.12',
+          'Django>=1.11,<1.12',
           'reportlab<3',
           'html5lib',
           'weasyprint<0.43',

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 toxworkdir = {env:TMPDIR:/tmp}/tox-{env:USER}/barbacompta/{env:BRANCH_NAME:}
-envlist = py2-django18,py2-django111-pylint
+envlist = py2-django111-pylint
 
 [testenv]
 usedevelop = True
@@ -9,7 +9,6 @@ setenv =
   DJANGO_SETTINGS_MODULE=eo_gestion.settings
   BARBACOMPTA_SETTINGS_FILE=tests/settings.py
 deps =
-  django18: django>=1.8,<1.9
   django111: django>=1.11,<1.12
   pytest-cov
   pytest-django