* Work on timeline translations
* Add Apollo 11 Descent data
* Ability to display negative altitudes
* Expose globe translation properties
* Added timeline rotation, and some scene updates.
* Cleaning up apollo_sites scene; fixing boulder 1 in place to adress heightmap issue
* Use quaternion slerp instaet of linear interpolation + Cleanup
* Change to old lem model while waiting for new version to be pushed to data repo
* Small fixes
* Cleanup
* CMake cleanups
* Update current year
* Update copyright header
* Use script to return list of all modules
* Update credits, license and ghoul
* Add Adam Aslegård's module that renders Gaia mission stars
* Add module for Gaia mission
* Add CCfits and cfitsio submodules and the implemented fitsfilereader module from the OpenSpace-sun-earth-event branch
* Add a TaskRunner to read from a fits file
