Update whitespace in iox.
Update whitespace in iox.package.
Update whitespace in iox.scaffold.
Update whitespace in xpm.
Update whitespace in xpm.checksum.
Update whitespace in xpm.dependency.
Update whitespace in xpm.exports.
Update whitespace in xpm.manifest.
Update whitespace in xpm.package.
Update whitespace in xpm.patch.
Update whitespace in xpm.symlink.
Update whitespace in xpm.util.
Add readline@6.2 package descriptor and add appropriate gpg public key.
Add install.sh symlink for readline package.
Compile readline@6.2 with curses library and multibyte support.
Bump patch version.