scripts update for IST offline/calibration chain
adding custom bfc macro for IST calibration
update IST mapping write script
Style fixes only
New class to save StiKalmanTrack data in root trees
Do not inherit from StiKalmanTrackNode; Added new constructors and overloaded operators
Changed the name/postfix of the output file with tree
Added ability to fill EventT object with data from StiKalmanTrack and save in tree