smoketest displaying error running example

Currently, I get this failure trying to run the example:

java.lang.NoSuchMethodError: com.twitter.concurrent.Spool$.syntax(Lcom/twitter/util/Future;)Lcom/twitter/concurrent/Spool$Syntax;
Merge pull request #483 from kscaldef/storehaus_binary_incompat

smoketest displaying error running example