ich kopier den code von 240613_Fabi rein
merging with fabi
fixed naming of the nodes, every node now has the class naming it saved, made graphclassset<V> to GraphclassSet (not generic any more, takes away the ugly casts)
kleine style verbesserungen, nur noch ISGCI gepusht
commit to try if building works now, no major changes
puh
Merge pull request #69 from leokraemer/develop

Fix Project Setup for everybody! + thx leo