def lf(self):
        if self._linefeed_mode:
            self.cursor.set(c=0)
        if self.cursor.down(1):
            self.scroll_up()
Returns the qualified path to the bundle's resource folder. E.g.
dataset/ETHPy150Open kdart/pycopia/QA/pycopia/terminal.py/Screen.lf--crossover with--dataset/ETHPy150Open adblockplus/gyp/pylib/gyp/xcode_emulation.py/XcodeSettings.GetBundleResourceFolder