cea-grasshopper v1.1.0

Updated the CEA-Grasshopper interface to work with CEA v3.11.0 and higher.

Installation instructions:

• make sure you have CityEnergyAnalyst v3.11.0 (or higher) installed to the default directory
• copy the file cea-grasshopper.ghpy to the Grasshopper Libraries folder
  you can find it in %APPDATA%\Grasshopper\Libraries
  alternatively, use the Rhino command "GrasshopperFolders" and select "Components"