* samplerXd.frag is now textureXd.frag
 * TextureParameters is now TextureXd and contains also the handle to the GLSL texture2d.frag
 * simplified getElementXd footprint: now only one texture parameter
 * adapted bind() methods of textures

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@220 bb408c1c-ae56-11e1-83d9-df6b3e0c105e

 * fixed memory leak in ImageDataConverter
 * added usage of Shader::IgnoreUniformLocationError where reasonable
 * fixed shaders

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@189 bb408c1c-ae56-11e1-83d9-df6b3e0c105e

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@187 bb408c1c-ae56-11e1-83d9-df6b3e0c105e

 * added some initial GLSL shaders
 * work on VisualizationPipeline
 * added SliceVis pipeline stub and SliceExtractor processor stub

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@185 bb408c1c-ae56-11e1-83d9-df6b3e0c105e