Add auto deployment through Travis: on tag on master branch

.travis.yml

 language: python
 python:
-  - "2.7"
-  - "3.3"
-  - "3.4"
-  - "3.5"
-  - "3.6"
-  - "pypy"
+- '2.7'
+- '3.3'
+- '3.4'
+- '3.5'
+- '3.6'
+- pypy
 install:
-  - pip install -U pip setuptools
-  - pip install -r requirements.txt
-  - pip install coveralls
+- pip install -U pip setuptools
+- pip install -r requirements.txt
+- pip install coveralls
 script:
-  - python setup.py install
-  - coverage run --source=glances unitest.py
+- python setup.py install
+- coverage run --source=glances unitest.py
 after_success:
-  - coveralls
+- coveralls
+deploy:
+  provider: pypi
+  user: nicolargo
+  password:
+    secure: Fms23jiiKKq6qJMsZYrmBz5mC753VGrjCxzVrsioENfH3KaFf6kUc9fTYntaLvjLPTNBkU3R2IORfVOikJKmNWqWVZOdJ/nq8zPl6o9MgdNcX7qWTvY8Fi9MW7tIZHrehhm0LvWFVq8ZSc8iYzw3/741lvBh8vpJZSQs3sq/1QI=
+  on:
+    tags: true
+    branch: master
+    distributions: sdist bdist_wheel
+    repo: nicolargo/glances