fix $this in closure for php 5.3
Prepared release 3.6.1. (Issue #27)
[Process] changed the ContinuousTestRunner::runTests() method to set the process timeout to 60 seconds (Issue #28)
changed the format of README.textile and CONTRIBUTORS.textile to Markdown
prepared release 3.6.2 (Issue #29)
fixed invalid header of README.md
updated the image url
[Composer] Updated the branch-alias for dev-master to 4.0.x-dev.