* Remove unused feature that allowed us to "pick" nodes using touch (it didn't really work and had some nasty hardcoded and costly implementation). Fixes Touch interaction picking refactor #1041
* General refactoring of code and removing redundant code
* Make touch markers prettier (change default color and smoothen edges)
* Add module property to control which renderable types are "directly touchable"
* Add SGN property to control which individual nodes are "directly touchable" ("SupportsDirectInteraction")
* Fix stuttering when zooming in closer than the orbitalnavigator allows
* Cleanup
* CMake cleanups
* Update current year
* Update copyright header
* Use script to return list of all modules
* Update credits, license and ghoul