Added travis badge and build instructions

Author: Matt Humphrey

.travis.yml

@@ -1,5 +1,15 @@
 language: php
+
 php:
-  - "5.5"
-  - "5.4"
-  - "5.3"
+  - 5.3.3
+  - 5.3
+  - 5.4
+  - 5.5
+  - 5.6
+
+before_script:
+  - travis_retry composer self-update
+  - travis_retry composer install --no-interaction --prefer-source --dev
+
+script:
+  - vendor/bin/phpunit --verbose --coverage-text

README.md

@@ -1,6 +1,8 @@
-A PHP Wrapper for use with the [Gitlab API](https://github.com/gitlabhq/gitlabhq/tree/master/doc/api).
+A PHP wrapper for use with the [Gitlab API](https://github.com/gitlabhq/gitlabhq/tree/master/doc/api).
 ==============
 
+[![Build Status](https://travis-ci.org/m4tthumphrey/php-gitlab-api.svg?branch=master)](https://travis-ci.org/m4tthumphrey/php-gitlab-api)
+
 Based on [php-github-api](https://github.com/m4tthumphrey/php-github-api) and code from [KnpLabs](https://github.com/KnpLabs/php-github-api).
 
 Installation