Use upstream gettext instead the glib one

https://bugzilla.gnome.org/show_bug.cgi?id=658647

autogen.sh

@@ -1,4 +1,5 @@
 #!/bin/sh
 mkdir -p m4
+autopoint --force
 AUTOPOINT='intltoolize --automake --copy' autoreconf -fiv -Wall || exit
 ./configure --enable-maintainer-mode "$@"

configure.ac

@@ -19,13 +19,17 @@ LT_INIT
 AC_PROG_CC
 AM_PROG_VALAC([0.13.0])
 AC_PROG_INSTALL
-IT_PROG_INTLTOOL([0.35])
+
+# i18n stuff
+IT_PROG_INTLTOOL([0.40])
+
+AM_GNU_GETTEXT([external])
+AM_GNU_GETTEXT_VERSION([0.17])
 
 GETTEXT_PACKAGE=gnome-contacts
 AC_DEFINE_UNQUOTED([GETTEXT_PACKAGE], ["$GETTEXT_PACKAGE"], [Gettext Package])
 AC_SUBST(GETTEXT_PACKAGE)
-AM_GNU_GETTEXT_VERSION([1.11])
-AM_GLIB_GNU_GETTEXT
+
 
 pkg_modules="gtk+-3.0
 	     gnome-desktop-3.0