gettext

abcae668 - Prepare for 0.22.1 release.

Prepare for 0.22.1 release. * gettext-runtime/intl/Makefile.am (LTV_*): Bump to 12:0:4. * gettext-runtime/intl/libgnuintl.in.h (LIBINTL_VERSION): Bump. * gettext-tools/libgettextpo/gettext-po.in.h (LIBGETTEXTPO_VERSION): Bump. * libtextstyle/version.sh: Update VERSION_NUMBER, RELEASE_DATE. * libtextstyle/lib/Makefile.am (LTV_*): Bump to 2:1:2. * gettext-tools/libgettextpo/Makefile.am (LTV_*): Bump to 5:10:5. * gettext-tools/configure.ac (ARCHIVE_VERSION): Bump to 0.22.1. * gettext-tools/misc/autopoint.in: Allow version 0.22.1.