Add instance rendering.
Remove debug output.
Bugfixes.
Remove objects before delete.
applied license preamble to every source file
and deleted unused files
Merge branch 'dev' of https://github.com/zwostein/Ununoctium into dev
Add forest with random allocation.
Add license text.
Remove debugging output.
Add random 2d vector.
Change to new random vector.
Set random seed.
cleaned up
replaced teapot model
Remove tree normals and improve parser.
Improve obj parser to detect draw mode.
Create vegetation from landscape config.
Add 2D random square vector.
vegetation positions in map coordinates;
added missing functions in Terrain class for converting map coordinates to world coordinates;
tweaked some classes
using nanosecond timer for framerate calculation;
collision with trees;
bugfixes