* src/NameDisplay.py (_format_base): Add format string display;
(_format_raw, _format): Add format string methods.
* src/GrampsCfg.py (name_changed): Switch back to int key.
* data/gramps.schemas.in: Add name-format-str key for custom name
display format string.
* src/Config/_GrampsConfigKeys.py: Re-generate the file.
* src/Config/gen_schema_keys.py (copy): Add Id string;
Write header into the generated file.
svn: r6967
