Ncompress

* New stream for cleanups
* Drop support for 2.0 output & -C option
* Improve & fix recursive mode
* Drop old DEF_ERRNO support
* Drop DIRENT/SYSDIR config knobs
* Drop support for REGISTER build knob
* Drop support for explicit unaligned memory accesses
* Drop support for dead operating systems
* Fix Windows access fallback logic
* Include io.h on Windows
* Disable "deprecated" API warnings on Windows
* Add setmode binary for stdin and stdout on Windows
* Clean up help text a bit
* Add a standard -k (keep) option
* Use io.h fallbacks on mingw too

* Fix tests under macOS
* Drop support for NOFUNCDEF
* Drop old unused MARK & SIZE_INNER_LOOP defines
* Add chmod/chown stubs for AMIGA/DOS
* Add a WINDOWS define for disabling chmod/chown
* Simplify LSTAT checking
* Disable utime usage on AMIGA/DOS/WINDOWS
* Add a fallback for access() for DOS & WINDOWS
* Disable unistd.h include on DOS & WINDOWS
* Disable chmod/chown/utime for mingw builds
* Add xxx->_xxx redirects on WINDOWS for filesystem funcs
* Add support for Windows in Travis
* Add PREFIX conformance, add option to only install main program by Eli Schwartz
* Don't strip binaries by default by Eli Schwartz
* Set the mandir to use $(PREFIX)/share/man by default by Eli Schwartz
* Do not set exit_code when an error is ignored by Petr Kubat
* Use default CFLAGS when using GNU make
* Fix typos in Makefile.def
* Tweak Changes style for better markdown integration

* New homepage https://github.com/vapier/ncompress
* Switch to intmax_t for nlink_t fields when printing
* Make builds more reproducible by dropping datestamps
* Fix integer overflow in maxmaxcode computation by Jakub Wilk
* Don't leak file descriptor in error cases by Pavel Raiskup
* Drop 8.3 filename checks for old DOS/Windows
* Change signal ifdef logic to the signal names
* Fix -Werror=parentheses errors with newer compilers
* Define LSTAT=1 in modern builds by default
* Change pathnames to be dynamic to avoid hardcoded 1k limit
* Add a standard -h (help) option
* Change version output to go to stdout
* Start a testsuite!
* Add support for -- to halt option parsing
* Add a uncompress(1) link to compress(1)

* Add some spelling fixes from Kenneth J. Pronovici
* Tweak makefile syntax for make 3.82
* Tweak by Kenneth J. Pronovici to escape hyphens in man pages for groff

* Check return value of chown().
* Fix from Fedora for checking malloc() return.
* Fix from Fedora/gzip to avoid integer overflow for CVE-2010-0001.

* Integrate build/man touchups from Debian.
* Add fix from Fedora for handling of 0 byte files.
* Pull in POSIX standard headers for prototypes (stdlib,string,unistd).
* Replace rindex() with strrchr().
* Don't set CC by default in Makefile.def and add CFLAGS/CPPFLAGS/LDFLAGS where appropriate by default.
* Add support for DESTDIR to the install target.