Remove the cached Terrain pointer.
Store only the data we actually need from it.
Fixing thruster tags
Cancel GeoPatchJobs when the associated GeoPatch is destroyed.
fix death view, forgot to setup draw transforms
Fix initilization reorder warning.
Merge pull request #2721 from nozmajner/wave_fix

Fixing thruster tags, merging.
Update Changelog.txt
Merge pull request #2722 from lwho/terrain_threading_issue

GeoPatch threading fixes (merging)