Add CMake compilation file (test only, doesn't work yet)
modify CMakeList to add default linux path
framework of the lgLabel class
added in main an example on how to get absolute coord of a vec3
rearranging code to have both classes lgNodeVisitor and lgNode
working on absolute position calcul
solved dependency errors in creating lgNode and lgNodeVisitor
absolute pos now working
added a new setLinkNode in lgLabel class to set the link node by casting a osg::Node* into osg::ref_ptr<lgNode>
first success in placing the label at proper place for munich id ID_276003000000992_7
main file a little cleaner, labels got proper location for low level nodes bldg:WallSurface
added a new visitor class to examine how a parsed citygml file is constituted with the names of the nodes
Diagramme des classes

L'ancien diagramme est supprimé
Diagramme mis dans doc
Reenvoi

Le précédent commit pose probleme
overseer class modified to use smart pointers in order to avoid memory leaks, also using namespace std for clean code
lgNodeVisitor can now create the vector of osg::Vec3 containing the points related to the found node
lgNodeVisitor can now calculate a recommended initial position
added method to set linkNode and initial position in lgLabel, cleansed lgLabel from lgNode (useless) and made main.cpp demo cleaner
merging with thomas branch