* Added new exportImage() function to BasicTerrain which will output a gradient-mapped image of the terrain which can be uploaded to the grid for things like world map images. (shiinnny), will update later with an improved version using the bilinear quad method employed in client terrain rendering.
* Rebuild project & build files for basicterrain with System.Drawing dependency. Prebuild updated.
* Reorganised and added default handlers to main functions
* Removed "regenerate" command, use "terrain regenerate" instead.
* Added new "terrain seed" command to set the random seed
* Added new "terrain load" command to load a terrain from disk
* Added new "terrain save" command to save a terrain to disk
Terrain:
* Added new export and import functions for some common formats
* Added new setSeed function to allow customising the random seed
Adam Frisby