new directory structure, to prepare for installation
file reorganisation, continued
Merge branch 'master' of https://github.com/IGNF/librjmcmc

Conflicts:
	CMakeLists.txt
	include/rjmcmc/rjmcmc/kernel/kernel_traits.hpp
	src/simulated_annealing/visitor/wx/CMakeLists.txt
code reorganization / cmake components (continued...)
code reorganization, wxfreechart has moved to its own repository