* Remove the PropertyDelegate
* Remove some unused and redundant property types
* Use helper functions for Lua/Json conversion
* Solve a bug in SelectionProperty that occurred when re-setting options
* General simplification and refactoring of the code
* Reimplement stringlistproperty with a listproperty parent class
* Add string list property tests and structure test files
* Reimplement SelectionProperty and add tests
* Some TemplateProperty documentation updates
* Read full constellation name and not just first word for ConstallationSelection
* Remove support for setting property value from string (unused)
* Add IntListProperty, DoubleListProperty
* Bug fix: SetProperty topic now support empty json objects
* Imgui renderings for list properties and pass SelectionProperty info to WebGui
