added rrdcached examples to extra_dist to make sure they get distributed git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1695 a5681a0c-68f1-0310-ab6d-d61299d08faa
integrated rrdcached examples into build process git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1686 a5681a0c-68f1-0310-ab6d-d61299d08faa