Updated string files for translations

src/tint2conf/po/readme.txt

@@ -0,0 +1,11 @@
+Updating pot file:
+
+find .. -name '*.c' | xargs xgettext --keyword=_ --language=C --output=updated.pot -
+
+Followed by manual editing of updated.pot to make sure the header is OK. Then:
+
+cat updated.pot > tint2conf.pot && rm -f updated.pot
+
+Then update the po files:
+
+for f in *.po ; do lang=$(basename $f .po); echo $lang ; msgmerge -i -o $lang.pox $lang.po tint2conf.pot ; cat ${lang}.pox > ${lang}.po ; rm ${lang}.pox ; done