JCLOUDS-619

Hello,

this is the fix for the issue described here[1].

Please review and let me know if you need something else.

Thanks and kind regards
Markus

[1] https://issues.apache.org/jira/browse/JCLOUDS-619
Should this be injected by Guice, rather than instantiated here? That would seem more consistent with all the other "pluggable logic" parts of the code.