deleted Eta example. One example is enough.Maybe I will ad it again later.
created file for pi0-example main.
moved Init functions to GConfigFile. No overloaded function needed in Physics class.
error checking in GTreeParticle::Particle, to avoid seg fault.
cleaned out PPi0Example. Needed for GH1 testing.
added GHistMamager with GLinkedHist.
Every linked hist will be saved automaticly in the end.
There is an optional Bool_t in the constructor of GLinkedHist to switch it of.
first idea of scaler corrected histogram.
finished scaler correction in GScaCorHist.
GScaCorHist fully functional now.
first idea of GBGSubHist.
Background substraction in GBGSubHist is working now.
unordered developments.