new structure of /src
Merge branch 'master' of https://github.com/cranon/gcm-1d

Conflicts:
	src/libgcm/CalcNode.cpp
	src/libgcm/CalcNode.h
	src/libgcm/Mesh.cpp
	src/libgcm/Mesh.h
	src/libgcm/Node.cpp
	src/libgcm/Node.h