Make role multiplatform

- On debian 11 strongswan daemon has different name
- Make config file backups when overwriting
- Add closeaction configuration option
- More metadata fixes
- Change tests to run standalone

Change-Id: I04474cb4601060059c4e603560d1873ad6598a77
diff --git a/meta/main.yml b/meta/main.yml
index c58f172..6603393 100644
--- a/meta/main.yml
+++ b/meta/main.yml
@@ -6,6 +6,8 @@
 
 galaxy_info:
   role_name: strongswan
+  namespace: onf
+
   author: Open Networking Foundation
   description: strongSwan IPSec VPN
   company: Open Networking Foundation
@@ -14,15 +16,18 @@
 
   license: Apache-2.0
 
-  min_ansible_version: 2.9.5
+  min_ansible_version: 2.10.17
 
   platforms:
-    - name: Ubuntu
+    - name: ubuntu
       versions:
-        - "16.04"
-        - "18.04"
+        - bionic
+    - name: Debian
+      versions:
+        - bullseye
 
   galaxy_tags:
     - strongswan
+    - ipsec
 
 dependencies: []