2.11.0

• added implementation of elasticity solver by Kugelstadt et al. "Fast Corotated Elastic SPH Solids with Implicit Zero-Energy Mode Control", 2021
• added fast AVX Cholesky solver written by José Antonio Fernández-Fernández
• added a tool to skin a visual mesh to the moving particles of an elastic solid in a postprocessing step
• extended the volume sampling tool by the method of Kugelstadt et al. 2021
• extended the volume sampling tool by the method of Jiang et al. 2015
• now each fluid model has an id
• extended exporters to write one file per object id
• added new foam generator tool to generate spray, foam and bubble particles in a postprocessing step in order to improve the visual realism of the final rendering
• added documentation of the foam generator