add travis badge

.travis.yml

@@ -0,0 +1,17 @@
+language: python
+matrix:
+  include:
+    - python: 3.6
+      env: TOXENV=py36
+    - python: 3.5
+      env: TOXENV=py35
+    - python: 3.4
+      env: TOXENV=py34
+    - python: 3.3
+      env: TOXENV=py33
+    - python: 2.7
+      env: TOXENV=py27
+install:
+  - pip install tox
+script:
+  - tox

README.md

@@ -1,5 +1,7 @@
 # ApiTestEngine
 
+[![Build Status](https://travis-ci.org/debugtalk/ApiTestEngine.svg?branch=master)](https://travis-ci.org/debugtalk/ApiTestEngine)
+
 ## 核心特性
 
 - 支持API接口的多种请求方法，包括 GET/POST/HEAD/PUT/DELETE 等