Mention 'make touch' in the devguide.
Mention 'make touch' in the devguide.

Covers issue #19106 and #15964

jeff5/jython-devguide,jython/devguide,jython/devguide,jeff5/jython-devguide,jython/devguide,ezio-melotti/devguide,jeff5/jython-devguide