Updated readme
Noise now uses higher precision (double instead of float)
Fixed a bug in the noise algorithm, which caused sharp edges
Merge branch 'terrainimprove' into development

Conflicts:
	TerrainGenerator.cpp (fixed)
	main.cpp (fixed)
Moved some members of TerranGenerator to Simplexnoise, where they belong.
Copyright notice is now on the top of the readme, slight update of description.
Merge branch 'development'
fixed readme, removed unused code in main
Merge branch 'master' into development
Merge branch 'development' into terrainimprove