* autogen.sh: Execute glib-gettextize and intltoolize.

* configure.ac: Call AC_PROG_INTLTOOL().  Assign ALL_LINGUAS and
GETTEXT_PACKAGE, and do an AC_SUBST() of the latter.
(AM_GNU_GETTEXT): Use AM_GLIB_GNU_GETTEXT() instead.

* Makefile.am (dist_desktop_DATA): Remove the dist_ prefix,
introduce desktop_in_files, and add the @INTLTOOL_DESKTOP_RULE@
substitution in order to make regexxer intltool-aware.
(dist_schema_DATA): Likewise for the GConf schemas file.
(dist_noinst_SCRIPTS): Add intltool-extract.in, intltool-merge.in
and intltool-update.in.

* regexxer.desktop: Rename to regexxer.desktop.in, use _Comment
instead of Comment, and remove the manually inserted de and dk
translations.

* regexxer.schemas: Rename to regexxer.schemas.in.