Add Messages.sh for translatable string extraction

Signed-off-by: Juraj Oravec <sgd.orava@gmail.com>

Messages.sh

@@ -0,0 +1,11 @@
+#! /bin/sh
+
+XGETTEXT_FLAGS_PYTHON="\
+--copyright-holder=This_file_is_part_of_KDE \
+--msgid-bugs-address=http://bugs.kde.org \
+--from-code=UTF-8 \
+-L Python \
+-ki18n:1 -ki18np:1,2 \
+"
+
+$XGETTEXT_PROGRAM $XGETTEXT_FLAGS_PYTHON `find ./readability -name '*.py'` -o $podir/readability.pot