Add travis

.travis.yml

@@ -0,0 +1,49 @@
+language: python
+
+sudo: false
+
+cache:
+  directories:
+    - $HOME/.cache/pip
+
+matrix:
+  include:
+    - python: 3.4
+      env:
+      - TOXENV=py34
+    - python: 3.5
+      env:
+      - TOXENV=py35
+    - python: 3.6
+      env:
+      - TOXENV=py36
+    - python: 3.5
+      env:
+      - TOXENV=flake8
+    - python: 3.5
+      env:
+      - TOXENV=pylint
+    - python: 3.5
+      env:
+      - TOXENV=docs
+    - python: 3.5
+      env:
+      - TOXENV=doctest
+    - python: 3.5
+      env:
+      - TOXENV=check-manifest
+    - python: 3.5
+      env:
+      - TOXENV=checkreadme
+
+before_install:
+  - pip install codecov # for coverage
+
+install:
+  - pip install tox
+
+script:
+  - tox
+
+after_success:
+  - codecov