Add travis and tox

Closes kubernetes-client#3

Author: Sergi Almacellas Abellana

.travis.yml

@@ -0,0 +1,15 @@
+# ref: https://docs.travis-ci.com/user/languages/python
+language: python
+env:
+  - TOXENV=py36
+  - TOXENV=py35
+  - TOXENV=py34
+  - TOXENV=py27
+  - TOXENV=update-pep8
+  - TOXENV=coverage,codecov
+
+install:
+  - pip install tox
+
+script:
+  - tox

tox.ini

@@ -0,0 +1,21 @@
+[tox]
+skipsdist = True
+envlist = py27, py34, py35, py36
+
+[testenv]
+passenv = TOXENV CI TRAVIS TRAVIS_*
+commands =
+   python -V
+   pip install nose
+   nosetests []
+
+[testenv:coverage]
+commands =
+   python -V
+   pip install nose, coverage
+   nosetests --with-coverage --cover-package=kubernetes.config,kubernetes.watch --cover-tests
+
+[testenv:codecov]
+commands =
+   pip install codecov
+   codecov