add OpenCL functions
add new backend selection mechanism
add simplexcpu.*
Memory-Kopien reduziert
remove picins
picins auch in aufgaben.tex entfernt
Merge pull request #1 from rnestler/master

Unnötiges usepackage für picins entfernt
backend configuration in configure.ac
cleanup
add missing simplexblas
License, OpenCL improvements
make it work on Firestream GPU
backend info
complete simplex implementation
add sphere program
improve caption
completion of simplex implementation
add new section on simplex implementation
typos
add missing sphere.jpg