Create .travis.yml

.travis.yml

+language: python
+python:
+  - "3.4"
+  - "3.5"
+  - "3.5-dev"  # 3.5 development branch
+  - "3.6"
+  - "3.6-dev"  # 3.6 development branch
+  - "3.7-dev"  # 3.7 development branch
+  - "nightly"
+services:
+  - postgresql
+# command to install dependencies
+install:
+  - pip install -r requirements/development.txt
+  
+before_script:
+  - psql -c 'create database travis_ci_test;' -U postgres
+env:
+  - DATABASE_URL="postgresql://postgres:postgres@postgres:5432/travis_ci_test"
+  - SECRET_KEY="secret"
+  - AUTHSCH_KEY="secret"
+  - AUTHSCH_SECRET="secret"
+# command to run tests
+script:
+  - flake8 --max-line-length=125 --exclude=src/kszkepzes,migrations
+  - python src/manage.py migrate
+  - python src/manage.py test