Imported implementation of SIOReader in MT::LCReader and adapted implementation to MT case
Imported implementation of SIOReader in MT::LCReader and adapted implementation to MT case

petricm/LCIO,petricm/LCIO,petricm/LCIO,iLCSoft/LCIO,iLCSoft/LCIO,iLCSoft/LCIO,iLCSoft/LCIO,petricm/LCIO,petricm/LCIO,petricm/LCIO,iLCSoft/LCIO,iLCSoft/LCIO