adding examples
change CMakeLists.txt
remove exampleED.cc
replace exampleED.cc with exampleFCC0.cc
remove include/EDAnalysis.hh
remove EDActionInitialization
add FCC0ActionInitialization
remove EDDetectorConstruction
add FCC0DetectorConstruction
remove EDEmCalorimeterHit
add FCC0EmCalorimeterHit
remove EDEmCalorimeterSD
add FCC0EmCalorimeterSD
remove EDEventAction
add FCC0EventAction
remove EDPrimaryGeneratorAction
add FCC0PrimaryGeneratorAction
remove EDRunAction
add FCC0RunAction
adding FCC0Analysis.hh