use registration class to unify cast registration

acast2/src/acast.cpp

alib2algo/src/automaton/transform/PDAToRHPDA.cpp

alib2algo/src/automaton/transform/RHPDAToPDA.cpp

alib2common/src/core/castApi.hpp

alib2common/src/core/namingApi.hpp

alib2common/src/registration/CastRegistration.hpp

alib2common/src/registration/NameRegistration.hpp

alib2data/src/automaton/FSM/CompactNFA.cpp

alib2data/src/automaton/FSM/EpsilonNFA.cpp

alib2data/src/automaton/FSM/ExtendedNFA.cpp

alib2data/src/automaton/FSM/MultiInitialStateNFA.cpp

alib2data/src/automaton/FSM/NFA.cpp

alib2data/src/automaton/PDA/DPDA.cpp

alib2data/src/automaton/PDA/NPDA.cpp

alib2data/src/automaton/PDA/NPDTA.cpp

...ata/src/automaton/PDA/RealTimeHeightDeterministicDPDA.cpp

...ata/src/automaton/PDA/RealTimeHeightDeterministicNPDA.cpp

alib2data/src/grammar/ContextFree/CFG.cpp

alib2data/src/regexp/formal/FormalRegExp.cpp

alib2data/src/regexp/unbounded/UnboundedRegExp.cpp