Merge pull request #45 from edgester/buildbot

Added Buildbot to the continuous integration section

README.md

@@ -93,6 +93,7 @@ A curated list of amazingly awesome open source sysadmin resources inspired by [
 ## Continuous Integration
 *Continuous integration software.*
 
+* [Buildbot](http://buildbot.net/) - Python-based toolkit for continuous integration.
 * [GitLab CI](https://www.gitlab.com/gitlab-ci/) - Based off of ruby. They also provide GitLab, which manages git repositories.
 * [Go](http://www.thoughtworks.com/products/go-continuous-delivery) - Open source agile build and release management software.
 * [Jenkins](http://jenkins-ci.org/) - An extendable open source continuous integration server.