Merge branch 'ds/config-list-with-type'

"git config list" is taught to show the values interpreted for specific type with "--type=<X>" option. * ds/config-list-with-type: config: use an enum for type config: restructure format_config() config: format colors quietly color: add color_parse_quietly() config: format expiry dates quietly config: format paths gently config: format bools or strings in helper config: format bools or ints gently config: format bools gently config: format int64s gently config: make 'git config list --type=<X>' work config: add 'gently' parameter to format_config() config: move show_all_config()