mark two DNS-dependent tests as Integration group only
fix so that ApplicationBuilder @Catalog entities can be deployed
fix to allow provider-specific option classes to be preserved
make it easier to subclass JcloudsLocation, and to define sub-locations e.g. for subnet-specific locations
(ConfigBag holds the set up, and the plan is that it can be used to simplify some of the passing of config / usedConfig everywhere)
fix missing negation
Merge pull request #520 from ahgittin/fix/jclouds-extensibility-and-misc

fixes for jclouds extensibility, and misc