Separating out session from settings in cloud provider.  Alex this introduces new abstract methods you will need to deal with.

[#54065895]
Merge branch '20130826_ETH_CloudAnalysisDriver_54065895_54855072' of github.com:NREL/OpenStudio into 20130826_ETH_CloudAnalysisDriver_54065895_54855072
Merge branch '20130826_ETH_CloudAnalysisDriver_54065895_54855072' of github.com:NREL/OpenStudio into 20130826_ETH_CloudAnalysisDriver_54065895_54855072