General: Add travis linting

.travis.yml

@@ -0,0 +1,10 @@
+language: python
+python:
+    - "3.6"
+
+install:
+    - pip install -r requirements.txt
+
+script:
+    - flake8 wal.py
+    - pylint wal.py

requirements.txt

@@ -0,0 +1,2 @@
+flake8
+pylint