Compile qt designer files

        :param namespace: namespace containing arguments from the launch parser
        :type namespace: Namespace
        :param unknown: list of unknown arguments
        :type unknown: list
        :returns: None
        :rtype: None
        :raises: None

def compile_ui(self, namespace, unknown):
        """Compile qt designer files

        :param namespace: namespace containing arguments from the launch parser
        :type namespace: Namespace
        :param unknown: list of unknown arguments
        :type unknown: list
        :returns: None
        :rtype: None
        :raises: None
        """
        uifiles = namespace.uifile
        for f in uifiles:
            qtcompile.compile_ui(f.name)