Fixed TravisCI configuration

.travis.yml

@@ -1,5 +1,5 @@
 env:
- - DJANGO_SETTINGS_MODULE=config.settings.test
+ - DJANGO_SETTINGS_MODULE=settings
 sudo: true
 before_install:
   - sudo apt-get update -qq
@@ -13,9 +13,6 @@ python:
 - "3.5"
 services:
  - postgresql
- - redis-server
 install: "pip install -r requirements/test.txt"
 script:
     - coverage run manage.py test
-notifications:
-    slack: sectorlabs:OOGt0rCplfNeAs1E2FR4UwxE