def load_plugin_modules(self, modnames):
for modname in modnames:<EOL><INDENT>if modname in self._dynamic_plugins:<EOL><INDENT>continue<EOL><DEDENT>self._dynamic_plugins.add(modname)<EOL>module = modutils.load_module_from_name(modname)<EOL>module.register(self)<EOL><DEDENT>
take a list of module names which are pylint plugins and load
        and register them