stop_remote_serve: Return True/False depending was server allowed to stop or not.

Fixes #16.

Author: pekkaklarck

src/robotremoteserver.py

@@ -98,7 +98,7 @@ def stop_remote_server(self):
             self._shutdown = True
         else:
             self._log(prefix + 'does not allow stopping.', 'WARN')
-        return True
+        return self._shutdown
 
     def get_keyword_names(self):
         get_kw_names = getattr(self._library, 'get_keyword_names', None) or \