Removed leftover FFP code: We should now be GL2 GLSL1.30+ forward compatible. Added a seperate shader for the gradient used for water drawing. Disabled 3D mode for GL2 codepath as this still has some FFP left.

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#version 130

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in vec4 vcolor;

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out vec4 color;

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void main()

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{

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    color = vcolor;

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}