Readme.md adjusted.

Author: gn36

README.md

@@ -6,12 +6,23 @@ Clone into ext/phpbbde/pastebin:
 
     git clone https://github.com/phpbbde/phpbb-ext-pastebin ext/phpbbde/pastebin
 
+Go to ext/phpbbde/pastebin and install dependencies:
+
+	php composer.phar install --no-dev
+
+If you wish to contribute to development, you should also consider installing the development dependencies by leaving out --no-dev.
+	
 Go to "ACP" > "Customise" > "Extensions" and enable the "phpBB.de pastebin" extension.
 
 ## Development
 
 If you find a bug, please report it on https://github.com/phpbbde/phpbb-ext-pastebin
 
+## Automated Testing
+
+We use automated unit tests including functional tests to prevent regressions. Check out our travis build below:
+
+master: [![Build Status](https://travis-ci.org/phpbb-de/phpbb-ext-pastebin.png?branch=master)](http://travis-ci.org/phpbb-de/phpbb-ext-pastebin)
 
 ## License