Move and merge modified sf_config/config files to be underneath foundation_system in line with the restructure that occurred as part of fc38b048ab2f.
<!ELEMENT Schedule12 (
(CS|CR|OS|OR|REF|TEST|ISC)+,
footnote*
)
>
<!ATTLIST Schedule12
Release_type CDATA #REQUIRED
OS_version CDATA #REQUIRED
DocVersion CDATA #REQUIRED
Status CDATA #REQUIRED
Schema CDATA #REQUIRED
>
<!ELEMENT CS (system_model*)>
<!ATTLIST CS
name CDATA #REQUIRED
draft (Y|N) "N"
>
<!ELEMENT CR (system_model*)>
<!ATTLIST CR
name CDATA #REQUIRED
draft (Y|N) "N"
>
<!ELEMENT OS (system_model*)>
<!ATTLIST OS
name CDATA #REQUIRED
draft (Y|N) "N"
>
<!ELEMENT OR (system_model*)>
<!ATTLIST OR
name CDATA #REQUIRED
draft (Y|N) "N"
>
<!ELEMENT REF (system_model*)>
<!ATTLIST REF
name CDATA #REQUIRED
more CDATA #IMPLIED
>
<!ELEMENT TEST (system_model*)>
<!ATTLIST TEST
name CDATA #REQUIRED
more CDATA #IMPLIED
>
<!ELEMENT ISC (system_model*)>
<!ATTLIST ISC
name CDATA #REQUIRED
>
<!ELEMENT system_model EMPTY>
<!ATTLIST system_model
entry CDATA #REQUIRED
>
<!ELEMENT footnote ANY>