end django 1.8 support (#36429)

setup.py

@@ -115,7 +115,7 @@ setup(name="authentic2",
       },
       include_package_data=True,
       install_requires=[
-          'django>=1.8,<2.0',
+          'django>=1.11,<2.0',
           'requests>=2.3',
           'requests-oauthlib',
           'django-model-utils>=2.4',

tox.ini

@@ -5,7 +5,7 @@
 
 [tox]
 toxworkdir = {env:TMPDIR:/tmp}/tox-{env:USER}/authentic/
-envlist = py27-coverage-{dj18,dj111}-authentic-pg-{oldldap,},py27-coverage-{dj18,dj111}-rbac-pg,pylint
+envlist = py27-coverage-dj111-authentic-pg-{oldldap,},py27-coverage-dj111-rbac-pg,pylint
 
 [testenv]
 whitelist_externals =
@@ -39,9 +39,6 @@ usedevelop =
   nocoverage: False
 deps = 
   pip > 9
-  dj18: django>1.8,<1.9
-  dj18: django-tables2<1.1
-  dj18: django-jsonfield<1.1
   dj111: django<2.0
   dj111: django-tables<2.0
   pg: psycopg2-binary
@@ -63,7 +60,6 @@ deps =
   pytest-freezegun
   ldaptools>=0.15
   oldldap: python-ldap<3
-  dj18: django-model-utils<3.2
 commands =
   ./getlasso.sh
   rbac,authentic: py.test {env:FAST:} {env:REUSEDB:} {env:COVERAGE:} {env:JUNIT:} {posargs:{env:TESTS} --random-group}