Fix test.php and include canonical newrelic function names.

Signed-off-by: Jared Kipe <jared@jaredkipe.com>
Implemented External Service segments (like datastore segments).  (e.g. Redis or Solr)

Signed-off-by: Jared Kipe <jared@jaredkipe.com>
Merge pull request #5 from jaredkipe/master

Fix test.php and include canonical newrelic function names.