Add Travis CI.

.travis.yml

@@ -0,0 +1,14 @@
+language: python
+python:
+  - 2.6
+  - 2.7
+  - 3.3
+  - 3.4
+  - 3.5
+  - pypy
+  - pypy3
+install:
+  - pip install pytest
+script:
+  - py.test -v test
+

README.md

@@ -1,4 +1,5 @@
 # ssh-audit
+[![build status](https://api.travis-ci.org/arthepsy/ssh-audit.svg)](https://travis-ci.org/arthepsy/ssh-audit)  
 **ssh-audit** is a tool for ssh server auditing.  
 
 ## Features