Bug 14424: Admin Help Files for 3.20

Bug 14424: Admin Help Files for 3.20

This patch updates some of the help files for Admin areas in 3.20+

To test:

* Visit
  * Frameworks, add field, add subfield
  * Column settings
  * Patron attributes
  * Circ rules
* Confirm help loads up and is right

Signed-off-by: Tomas Cohen Arazi <tomascohen@unc.edu.ar>
Signed-off-by: Jonathan Druart <jonathan.druart@koha-community.org>
Signed-off-by: Tomas Cohen Arazi <tomascohen@unc.edu.ar>
(cherry picked from commit d3983e563ffbce5c3276108c5840394bcb7b8593)
Signed-off-by: Chris Cormack <chris@bigballofwax.co.nz>