Merge pull request #456 from Djailla/misc

[misc] Various cleanup

.travis.yml

@@ -1,6 +1,3 @@
-# https://travis-ci.org/django-polymorphic/django-polymorphic
-dist: xenial
-sudo: false
 language: python
 
 services:

AUTHORS.rst

@@ -19,6 +19,7 @@ Contributors
 * Andrew Dodd
 * Angel Velasquez
 * Austin Matsick
+* Bastien Vallet
 * Ben Konrath
 * Bert Constantin
 * Bertrand Bordage

setup.cfg

@@ -33,7 +33,7 @@ classifiers =
 packages = find:
 include_package_data = True
 install_requires =
-	Django >= 1.11
+	Django >= 2.1
 
 [options.packages.find]
 exclude =