Adding the BDT energy reconstruction methods (which are very similar to BDT disp). The method is used since a long time for CTA analysis. This is more or less a copy of the CTA code with minor adaptions.
added correct calculation of average array pointing for emission height calculation
fixed issues with single telescope analysis (not relevant for VERITAS; but resulted in wrong selection of TMVA variables)
updated code for dispEnergy reconstruction; tested (after several rounds of improvements)
Adding the BDT energy reconstruction methods (which are very similar to BDT disp). The method is used since a long time for CTA analysis. This is more or less a copy of the CTA code with minor adaptions.