README.md in daigaku-0.5.0 vs README.md in daigaku-0.6.0

@@ -1,6 +1,6 @@
-# ![Daigaku](http://res.cloudinary.com/daigaku-ruby/image/upload/c_scale,h_100/v1426946323/rect5481_si3rjr.png)
+# ![Daigaku](https://res.cloudinary.com/paulgoetze/image/upload/v1520762114/daigaku/rect5481_si3rjr.png)
 
 [![Gem Version](https://badge.fury.io/rb/daigaku.svg)](http://badge.fury.io/rb/daigaku)
 [![Travis Build](https://travis-ci.org/daigaku-ruby/daigaku.svg)](https://travis-ci.org/daigaku-ruby/daigaku)
 
 Daigaku (大学) is the Japanese word for **university**.
@@ -14,11 +14,11 @@
 language-explaining programming tasks.
 
 ## Installation
 
 First of all make sure Ruby is installed on your computer.
-Daigaku works with [MRI Ruby](https://www.ruby-lang.org/en/documentation/installation/) v2.2.5 or higher.
+Daigaku works with [MRI Ruby](https://www.ruby-lang.org/en/documentation/installation/) v2.4.5 or higher.
 
 Then open a terminal and install Daigaku by running:
 
     $ gem install daigaku
 
@@ -36,24 +36,24 @@
 can use in your terminal to setup the system, download new courses,
 and navigate through your solutions.
 
 Please visit the [Daigaku Wiki](https://github.com/daigaku-ruby/daigaku/wiki/How-to-use-Daigaku%27s-command-line-interface-%28CLI%29) to learn more about available commands.
 
-![Daigaku CLI screenshot](http://res.cloudinary.com/daigaku-ruby/image/upload/v1427558807/daigaku-cli-screenshot_xgpav6.png)
+![Daigaku CLI screenshot](https://res.cloudinary.com/paulgoetze/image/upload/v1520762037/daigaku/daigaku-cli-screenshot_xgpav6.png)
 
 ## Daigaku screen
 
 Daigaku’s text based interface—the Daigaku screen—shows your installed courses and allows you to navigate through their chapters and units. In the task view you can read the unit’s task and validate your solution code.
 
 Please visit the [Diagaku Wiki](https://github.com/daigaku-ruby/daigaku/wiki/How-to-learn-Ruby-in-the-Daigaku-screen) to learn how to use the Daigaku screen.
 
-![Daigaku screen screenshot](http://res.cloudinary.com/daigaku-ruby/image/upload/v1430859202/daigaku-taskview_erwzrh.png)
+![Daigaku screen screenshot](https://res.cloudinary.com/paulgoetze/image/upload/v1520762097/daigaku/daigaku-task-view_zbvsia.png)
 
 ## Contributing
 
 We encourage you to contribute to Daigaku development and course creation.
 
-This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the [Contributor Covenant code of conduct](http://contributor-covenant.org/version/1/2/0).
+This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the [Contributor Covenant Code of Conduct](https://github.com/daigaku-ruby/daigaku/blob/master/CODE_OF_CONDUCT.md).
 
 ### Creating Daigaku courses
 
 Daigaku is a great tool, but it’s nothing without courses to learn from.
 Go ahead and help with making Daigaku a worthwile and fun resource for learning Ruby!