* Move SGCT external library from ext/sgct to apps/OpenSpace/ext/sgct
* Remove all GLFW dependencies from openspace-core
* Add MinVR dependency
* Add new executable OpenSpace-MinVR that uses MinVR instead of SGCT
* Move global objects out of OpenSpaceEngine
* General cleanup of main.cpp
* Add default_joystick asset to all scenes
* No longer suppress mouse interaction on slave nodes
* Window delegate uses function pointers rather than subclassing
* Fix for false overwriting of ImGUI configuration file
* Change default color and tilt angle of fisheye rendering
* Restructured performance manager
* Simplify screenshot handling
* 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
* Add initializeGL and deinitializeGL methods to OpenSpaceModule Call releaseAll from ProgramObjectManager in deinitializeGL to guard against errors when deinitializing assets
* Change removeProgramObject function in RenderEngine to take a non-owning pointer instead of a reference to a unique pointer to make it compatible with the ProgramObjectManager
Update Ghoul repository
* Using ProgramObjectManager in more modules to reduce the number of programs compiled at startup
Web GUI from Klas Eskilson (three new modules: webgui, webbrowser and cefwebgui)
Parallel connection refactorization
Wormhole server added to the main repository
Transfer function editor work from Cristoffer Särevall
Update ghoul
* 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
* Implemented property animation mechanism
* Added easing functions to Ghoul and make them usable in animation
* Make sure that we don't leave properties around if SceneGraphNodes are deleted
* Adding opacity settings to base renderables
