fix: set java_home for jzmq in storm cookbook

java_home is often set by other recipes that precede
storm::install_from_release in infochimps' deployments;
however, it is possible to attempt to install jzmq
when the JAVA_HOME env var is not set.

Addresses https://www.pivotaltracker.com/story/show/67134822

Squashed commit of the following:

commit 9ac64eb4f42da89fe873880bbf89ac0b65e00022
Author: Eric Katerman <eric@infochimps.com>
Date:   Tue Mar 11 13:46:00 2014 -0700

    setting java_home for jzmq

Change-Id: I6fe687379f41a4708b60d0421616e6bb2d3b7303
Merge "fix: set java_home for jzmq in storm cookbook"