* Some cleanup of the ImGUI code
* Reorder the panels
* Make StringPropertys work without losing value on context loss
* Add a new ImGui compoment that shows the status of the scene graph
* 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
* Cleanup
* CMake cleanups
* Update current year
* Update copyright header
* Use script to return list of all modules
* Update credits, license and ghoul
* Make height map fallback layer work again
* Add documentation to joystick button bindings
* Removed grouped property headers
* Add new version number constant generated by CMake
* Make Joystick deadzone work properly
* Change the startup date on Earth to today
* Fix key modifier handling
* Add debugging indices for TreeNodeDebugging
* Fix script schedule for OsirisRex
* Do not open Mission schedule automatically
* Upload default projection texture automatically
* General code cleanup
* Fix check_style_guide warnings
* Remove .clang-format
* MacOS compile fixes
* Clang analyzer fixes
* Fix Triton asset file
* Display an error if no Property matches a regex in setPropertyValue
* Correct user-facing name for some Moon assets
* Add fade in and fade out helping functions
* Reenable label fading in New Horizons
* Added GUI hint to hide uninteresting nodes
* Set Hidden Hint on barycenter nodes
* Introduced guiName to PropertyOwner
* Added requirement that PropertyOwner::identifier may not contain whitespaces
* Changed Name to Identifier in asset and scene files
* Added new PropertyOwner to RenderEngine that owns the ScreenSpaceRenderables
* Moved Name and GuiPath into GUI group
* Added user-facing names to layer groups
Make featured properties and space/time widget easy to disable
Add setting for setting the bounds of the delta time slider
Add exponent to all numerical properties and use where appropriate
Add properties to Guicomponents that collapse the title bar
Add new F2 key to only display the main property window
* Rename OnScreenGui module to ImGui
* Support multiple external module folders (closes#31)
* Cleaning up CMake files
* Restructure application specification
* Add parameter for library mode to all modules
* Add functions to handle global variable state
* Misc/remove warnings (#383)
* Increase build timeout and do a clean rebuild every commit
