Optimize date and version output
* Makefile: Add test to .PHONY
* ufold.1.in: Syntax fixes; add EXIT STATUS
* Add got(1) support
* Migrate to POSIX make from redo
* Switch manpage to mdoc(7)
* Update build scripts:
- Make config.redo behave more like config.mk
- Make .gz optional
- OpenBSD build and instructions
- Migrate from MANDIR to MANPREFIX
* Avoid stat in redo scripts
* Make copyright lines in source more clear
Bugfix: u32_char_to_u8 was assigning to to[len-1] instead of to[i] in loop
* Add INSTALL
* Add -s
* Update build scripts to be consistent with sled, poe...