Update list of supported platforms

meta/main.yml

@@ -3,7 +3,7 @@ galaxy_info:
   author: Bert Van Vreckem
   description: This role installs and configures Samba as a file server.
   license: BSD
-  min_ansible_version: 2.0
+  min_ansible_version: 2.4
   platforms:
     - name: EL
       versions:
@@ -17,9 +17,11 @@ galaxy_info:
     - name: Ubuntu
       versions:
         - xenial
+        - bionic
     - name: Debian
       versions:
         - jessie
+        - stretch
     - name: ArchLinux
       versions:
         - all