Add python >= 2.6 to documented deps

lib/ansible/modules/extras/monitoring/zabbix_group.py

@@ -26,7 +26,9 @@ short_description: Add or remove a host group to Zabbix.
 description:
     - This module uses the Zabbix API to add and remove host groups.
 version_added: '1.8'
-requirements: [ 'zabbix-api' ]
+requirements:
+    - "python >= 2.6"
+    - zabbix-api
 options:
     state:
         description:

lib/ansible/modules/extras/monitoring/zabbix_host.py

@@ -28,7 +28,8 @@ description:
 version_added: "2.0"
 author: Tony Minfei Ding, Harrison Gu
 requirements:
-    - zabbix-api python module
+    - "python >= 2.6"
+    - zabbix-api
 options:
     server_url:
         description:

lib/ansible/modules/extras/monitoring/zabbix_hostmacro.py

@@ -28,7 +28,8 @@ description:
 version_added: "2.0"
 author: Dean Hailin Song
 requirements:
-    - zabbix-api python module
+    - "python >= 2.6"
+    - zabbix-api
 options:
     server_url:
         description:

lib/ansible/modules/extras/monitoring/zabbix_maintenance.py

@@ -28,7 +28,8 @@ description:
 version_added: "1.8"
 author: Alexander Bulimov
 requirements:
-    - zabbix-api python module
+    - "python >= 2.6"
+    - zabbix-api
 options:
     state:
         description:

lib/ansible/modules/extras/monitoring/zabbix_screen.py

@@ -29,7 +29,8 @@ description:
 version_added: "2.0"
 author: Tony Minfei Ding, Harrison Gu
 requirements:
-    - zabbix-api python module
+    - "python >= 2.6"
+    - zabbix-api
 options:
     server_url:
         description: