Update ansible galaxy meta, bump ansible and os version, fix tags.

meta/main.yml

@@ -3,10 +3,11 @@ galaxy_info:
   author: "Alessio Cassibba (x-drum)"
   description: rsyslog syslogd daemon configuration.
   license: GPLv2
-  min_ansible_version: 1.8
+  min_ansible_version: '2.0'
   platforms:
   - name: EL
     versions:
+    - 5
     - 6
     - 7
   - name: Debian
@@ -15,9 +16,11 @@ galaxy_info:
   - name: Ubuntu
     versions:
     - trusty
+    - xenial
   - name: Archlinux
     versions: []
-  categories:
+  galaxy_tags:
   - monitoring
   - system
+  - rsyslog
 dependencies: []