Clean up group names. Fix mineos

roles/geerlingguy.java/README.md

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+# Ansible Role: Java
+
+[![Build Status](https://travis-ci.org/geerlingguy/ansible-role-java.svg?branch=master)](https://travis-ci.org/geerlingguy/ansible-role-java)
+
+Installs Java for RedHat/CentOS and Debian/Ubuntu linux servers.
+
+## Requirements
+
+None.
+
+## Role Variables
+
+Available variables are listed below, along with default values:
+
+    # The defaults provided by this role are specific to each distribution.
+    java_packages:
+      - java-1.8.0-openjdk
+
+Set the version/development kit of Java to install, along with any other necessary Java packages. Some other options include are included in the distribution-specific files in this role's 'defaults' folder.
+
+    java_home: ""
+
+If set, the role will set the global environment variable `JAVA_HOME` to this value.
+
+## Dependencies
+
+None.
+
+## Example Playbook (using default package)
+
+    - hosts: servers
+      roles:
+        - role: geerlingguy.java
+          become: yes
+
+## Example Playbook (install OpenJDK 8)
+
+For RHEL / CentOS:
+
+    - hosts: server
+      roles:
+        - role: geerlingguy.java
+          when: "ansible_os_family == 'RedHat'"
+          java_packages:
+            - java-1.8.0-openjdk
+
+For Ubuntu < 16.04:
+
+    - hosts: server
+      tasks:
+        - name: installing repo for Java 8 in Ubuntu
+  	      apt_repository: repo='ppa:openjdk-r/ppa'
+    
+    - hosts: server
+      roles:
+        - role: geerlingguy.java
+          when: "ansible_os_family == 'Debian'"
+          java_packages:
+            - openjdk-8-jdk
+
+## License
+
+MIT / BSD
+
+## Author Information
+
+This role was created in 2014 by [Jeff Geerling](https://www.jeffgeerling.com/), author of [Ansible for DevOps](https://www.ansiblefordevops.com/).