code: def get_message_actions(current):
      
      current.output = {'status': 'OK',
                        'code': 200,
                        'actions': Message.objects.get(
                            current.input['key']).get_actions_for(current.user)}
docs: Returns applicable actions for current user for given message key
  
      .. code-block:: python
  
          # request:
          {
              'view':'_zops_get_message_actions',
              'key': key,
          }
          # response:
              {
              'actions':[('name_string', 'cmd_string'),]
              'status': string,   # 'OK' for success
              'code': int,        # 200 for success
              }