added header guards for directories basebmp/, chart2/, cppuhelper/, include/test/, io/test/, sax/test, shell/, writerfilter/, and xmlhelp/ Change-Id: I0e29a9b75c26d71f58aa98986b52f6d3b46015a6 Reviewed-on: https://gerrit.libreoffice.org/9615 Reviewed-by: Thomas Arnhold <thomas@arnhold.org> Tested-by: Thomas Arnhold <thomas@arnhold.org>
System helpers - launching URI, recently used files, system integration, external mailer support, gconf integration etc.
