updated README.md to include prereqs section

README.md

@@ -6,6 +6,13 @@ This is a Node.js server which implements the Persona identity provider (IdP) pr
 It allows users to sign in to Firefox Accounts (aka PICL).
 It consumes the REST API which PICL provides.
 
+## Prerequisites
+
+* node 0.10.x or higher
+* npm
+* Java
+* [Selenium Server Standalone 2.35.0](http://selenium.googlecode.com/files/selenium-server-standalone-2.35.0.jar)
+
 ## Development Setup
 
 ```
@@ -15,14 +22,13 @@ npm start
 
 ## Testing
 
-  * Download: [Selenium Server Standalone 2.35.0](http://selenium.googlecode.com/files/selenium-server-standalone-2.35.0.jar)
   * Run in the background: `java -jar selenium-server-standalone-2.35.0.jar`
   * TDD: `npm test`
   * Functional: `npm run-script test-functional`
 
   * Server test: `npm run-script test-server` (Selenium server not required)
 
-## Persona Bridge Development Setup
+## Persona Bridge Setup
 
 ### One Time Setup