* po: New directory, containing all the gettext stuff.
* config.rpath: New file added by gettextize.
* mkinstalldirs: ditto.

* Makefile.am (dist_noinst_SCRIPTS): Add config.rpath.

* autogen.sh: Don't remove mkinstalldirs because it's not installed by automake --add-missing, and gettext uses it.
(WARNINGS): Comment-out in order to reduce the flood of warnings triggered by all the old m4 code in system macros.

* configure.ac: Invoke AM_GNU_GETTEXT().
(AC_CONFIG_FILES): Add po/Makefile.in.

* NEWS: Update.

* src/translation.{cc,h}: New files implementing gettext() support.
* src/statusline.cc: Translate the label of the "Stop" button.
* src/main.cc (main): Add code to initialize the text domain.

* src/Makefile.am (regexxer_SOURCES): Add translation.{cc,h}.