To get developer builds, consult our maven repository

Changes:

• 12.6.38: Standardize all shaders to use GLSL 330 compat by default and use ShaderLimits.getMaxUniformBlockSize() to fix crashing on SteamOS;
• 12.6.38: Standardise all shaders to use GLSL 330 compat by default;
• 12.6.37: Light mixing moved into ShaderMixLightVariable;