primarily:
- edit FS/FS/Schema.pm

if the changes are something other than table and/or column additions:
- httemplate/docs/upgrade10.html
- README.1.5.X

for new tables:
- make sure the new tables are added to FS/FS/Schema.pm and run make install-perl-modules
- run bin/generate-table-module tablename
- edit the resulting FS/FS/table.pm

docs:
- sorta neglected: FS/FS.pm
- somehwat neglected: httemplate/docs/schema.html
- really neglected: httemplate/docs/schema.dia