fixes to code to enable updates of user to groups and delete groups. Fixed example yaml to use groups

cloud/amazon/iam.py

@@ -133,7 +133,7 @@ task:
     iam_type: user
     name: jdavila
     state: update
-    group: "{{ item.created_group.group_name }}"
+    groups: "{{ item.created_group.group_name }}"
   with_items: new_groups.results
 
 '''
@@ -376,7 +376,7 @@ new_name=None):
     return (groups, changed)
 
 
-def create_group(module, iam, name, path):
+def create_group(module=None, iam=None, name=None, path=None):
     changed = False
     try:
         iam.create_group(
@@ -388,7 +388,7 @@ def create_group(module, iam, name, path):
     return name, changed
 
 
-def delete_group(module, iam, name):
+def delete_group(module=None, iam=None, name=None):
     changed = False
     try:
         iam.delete_group(name)
@@ -414,8 +414,7 @@ def delete_group(module, iam, name):
         changed = True
     return changed, name
 
-
-def update_group(module, iam, name, new_name, new_path):
+def update_group(module=None, iam=None, name=None, new_name=None, new_path=None):
     changed = False
     try:
         current_group_path = iam.get_group(
@@ -663,11 +662,11 @@ def main():
         group_exists = name in orig_group_list
 
         if state == 'present' and not group_exists:
-            new_group, changed = create_group(iam, name, path)
+            new_group, changed = create_group(iam=iam, name=name, path=path)
             module.exit_json(changed=changed, group_name=new_group)
         elif state in ['present', 'update'] and group_exists:
             changed, updated_name, updated_path, cur_path = update_group(
-                iam, name, new_name, new_path)
+                iam=iam, name=name, new_name=new_name, new_path=new_path)
 
             if new_path and new_name:
                 module.exit_json(changed=changed, old_group_name=name,
@@ -691,7 +690,7 @@ def main():
                 changed=changed, msg="Update Failed. Group %s doesn't seem to exit!" % name)
         elif state == 'absent':
             if name in orig_group_list:
-                removed_group, changed = delete_group(iam, name)
+                removed_group, changed = delete_group(iam=iam, name=name)
                 module.exit_json(changed=changed, delete_group=removed_group)
             else:
                 module.exit_json(changed=changed, msg="Group already absent")