GitLab

use find_package(CUDA) to use CUDA with StarPU - I get a compilation pb with nvcc which does not recognize -std=c++11 option (either with Berenger hand-made method or using the cmake FindCUDA)

Add a method to the group of cell class in order to attach to a buffer after the construction and reset

Removal of const qualifier on a few functions' results that were ignored by the compiler : a function result cannot be const (though it can be a pointer to a const)