Advances on NodeManager... Can load modules by scanning directories. Neat.
Also added an Application class  to which one can add Nodes. Application uses a threadpool to schedule nodes update
Merge branch 'master' of https://github.com/Buanderie/mfw

Conflicts:
	libmonadic/include/node.hpp
	libmonadic/include/nodemanager.hpp
	libmonadic/src/nodemanager.cpp
	tests/footest/main.cpp