added functionality to allow functions as data source for treeview
Updated views for vcloud management
Refactored vcloud managment workflow
fixed resourceModel by stringifying json before sending to cloudmux
Merge pull request #91 from bears4barrett/resource_model_update

fixed resourceModel by stringifying json before sending to cloudmux
Added vcloud catalog viewing/instantiating functionality
Merge pull request #92 from pjschmidt3/master

vApp instantiation/vdc refactor