update factor.io website

no longer supports HTTPS

README.md

@@ -976,7 +976,7 @@ See **[Ticketing](#ticketing)**
   * [Buddy GO](https://buddy.works/) - The Git and Continous Integration / Delivery Platform. `Fair` `Nodejs/Java`
   * [Concourse](https://concourse.ci/) - Concourse is a CI tool that treats pipelines as first class objects and containerizes every step along the way. ([Demo](https://ci.concourse.ci/), [Source Code](https://github.com/concourse/concourse)) `Apache` `Go`
   * [drone](https://drone.io/) - Drone is a Continuous Delivery platform built on Docker, written in Go. ([Source Code](https://github.com/drone/drone)) `Apache` `Go`
-  * [Factor.io](https://factor.io/) - It's like IFTTT (if-this-then-that) for Dev and DevOps. ([Source Code](https://github.com/factor-io/factor)) `MIT` `Ruby`
+  * [Factor](http://www.factor.io/) - It's like IFTTT (if-this-then-that) for Dev and DevOps. ([Source Code](https://github.com/factor-io/factor)) `MIT` `Ruby`
   * [Jenkins](https://jenkins-ci.org/) - Continuous Integration Server. ([Source Code](https://github.com/jenkinsci/jenkins/)) `MIT` `Java`
   * [PHPCI](https://www.phptesting.org/) - Free and open source continuous integration specifically designed for PHP. ([Source Code](https://github.com/block8/phpci)) `BSD` `PHP`
   * [Strider](http://stridercd.com/) - Open Source Continuous Deployment / Continuous Integration platform. ([Source Code](https://github.com/Strider-CD/strider)) `BSD` `Nodejs`