vert-x/vert.x — pull request #449 by bytor99999 (2012-12-10 22:57:47+00:00)
Title: Vertx cancelTimer returns boolean in Java but void in Groovy. Fixed Groovy to also return boolean

...Timer method which signature returns boolean. so instead of just calling and doing nothing with the return value, I changed the Vertx Groovy signature to return boolean and return the results from VertxInternal