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(may need to add support for directx8 and software?)

-made terrainNode use DynamicMeshBuffer, so it can use 32bit buffers. (no more size limits now on terrains!!! )
if the terrainNode loads an image over 256x256, it is set to 32bit, smaller sizes will use 16bit for better speed.

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Optimized isBetweenPoints for vector2d
Added some virtual qualifiers for better readability
Added some terrain interface methods which are not properly working, yet


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Changed the interpretation of MaterialTypeParam==0 in transparent materials. Before, it was interpreted as 0.5, now it's used as 0 (perfectly smooth transparency). This is slower than the old value, but you can achieve the same effect by specifying 0.5 as MaterialTypeParam.

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Replaced transformBox by transformBoxEx to avoid major malfunction of the transformations when the transformation includes rotations.

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Merge revisions 1495:1497 from 1.4 branch. GUIImage fix by CuteAlien. Default value changes in particle system and scene manager.

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Merge revisions 1489:1494 from 1.4 branch. Mainly cleanup, removal of .NET wrapper, and postEventFromUser patch to return if the event was absorbed.

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Prevent b3d loader to load textures from unused materials. Other mesh loader might still suffer from this.

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Added new mMeshManipulator method scaleTCoords to scale texture coords of a mesh. Added two new access methods to texture coords of vertices of a meshbuffer. This allowed to replace the template for planar mapping as well.

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Added support for proxy meshes as source of the shadow volume. This enables the use of a simplified version of a mesh for the generation of the shadow volume, which can significantly improve the render performance with shadow volumes. Patch provided by tonic.

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