Install libiconv-1.14.tar.gz

Signed-off-by: Sebastian Schuberth <sschuberth@gmail.com>

Conflicts:

	mingw/bin/iconv.exe
	mingw/bin/libcharset-1.dll
	mingw/bin/libiconv-2.dll
	mingw/include/iconv.h
	mingw/include/libcharset.h
	mingw/lib/libcharset.a
	mingw/lib/libcharset.dll.a
	mingw/lib/libcharset.la
	mingw/lib/libiconv.dll.a
	mingw/lib/libiconv.la
	mingw/share/doc/libiconv/iconv.1.html
	mingw/share/doc/libiconv/iconv.3.html
	mingw/share/doc/libiconv/iconv_close.3.html
	mingw/share/doc/libiconv/iconv_open.3.html
	mingw/share/man/man3/iconv_open.3
import msys-findutils build script

extracted from findutils-4.4.2-2-msys-1.0.13-src.tar from:
https://sourceforge.net/projects/mingw/files/MSYS/Base/findutils/findutils-4.4.2-2/

Signed-off-by: Ilya Basin <basinilya@gmail.com>
Add a release script for xargs 4.4.2

adds '-d' option to xargs

Signed-off-by: Ilya Basin <basinilya@gmail.com>
Merge pull request #182 from basinilya/msys

xargs 4.1 -> 4.4.2 release script