Merge pull request #20 from olberger/master

Maybe the bundling script can be made more reproducable
apply htmlentities to data added to HTML

prevent cross site scripting by applying htmlentities to data added to HTML
Merge pull request #21 from graingert/patch-1

apply htmlentities to data added to HTML
fixed over enthusiastic escaping of values in dump
added check for duplicate triples. Removed lookup on literal objects ... should save some ram!
Merge branch 'master' of github.com:cgutteridge/Graphite
made asString a static function (it always was, just now code says so)
fixed typo in o_datatype
Merge branch 'master' of github.com:cgutteridge/Graphite
added language feature & restored DUMP comment in HTML dump
Add examples from http://graphite.ecs.soton.ac.uk/ for easy offline work
Fix minor typo