Merge remote-tracking branch 'origin/master'

core/Version.php

@@ -21,5 +21,5 @@ final class Version
      * The current Piwik version.
      * @var string
      */
-    const VERSION = '2.9.0-b3';
+    const VERSION = '2.9.0-b4';
 }

plugins/TestRunner/README.md

@@ -48,4 +48,17 @@ __How can I change the base image (AMI) that is used for AWS tests?__
 * Once everything works remove the outdated AMI by selecting it and clicking `Actions => Deregister`. 
 
 In the future once everything is completely automated we would simple create a new instance out of ((Vagrant || Docker) && Puppet) whenever we need a change but it takes a lot of time to do this and is not worth it right now.
- 
+
\ No newline at end of file
+__How do I create a new EC2 key/pair for a developer?__
+
+1. Go to: https://console.aws.amazon.com/ec2/v2/home?region=us-east-1
+2. Click `Create Key Pair`
+3. Send PGP email
+```
+Here are info for running tests on Ec2
+ * Access Key ID: 
+ * Secret Access Key: 
+ * aws_keyname = "piwik-xyz"
+ * PEM file content is:
+```
+