Update Ghoul repository
Remove libgdal link

Remove the out-of-order logging as it causes OpenSpace to crash when master is running at different speeds from slaves due to race conditions on the std::stringstream

Remove extra <thread> headers.

Remove unused files

Cleanup of include guards in modules

Fix various issues in mod files
Remove backslash from file paths in StringProperty

Do not show date text when render information is hidden
Add Utah WMS files

Make the CacheManager not crash when ShadowCylinder shader is created in the same cache directory as RenderablePlanet
Remove excessive logging from TileDataset

Fix stitched trail rendering for RenderableTrailTrajectory
Adapt Lua scheduler helper scripts to new Dictionary layout
Make Spice throw exceptions on default again
Enable caching on default for CTX and MOLA data
Add NOAA rt data (commented out in LodEarth)

Update Ghoul reference

Set debugging correctly as globebrowsing dependency
Remove extra files