unified api part I

alib2data/src/Api.cpp

alib2data/src/Api.hpp

alib2data/src/FromXMLParsers.cpp

alib2data/src/ToXMLComposers.h

alib2data/src/alphabet/SymbolFromXMLParser.cpp

alib2data/src/alphabet/SymbolFromXMLParser.h

alib2data/src/alphabet/SymbolToXMLComposer.cpp

alib2data/src/automaton/AutomatonFromXMLParser.cpp

alib2data/src/automaton/AutomatonFromXMLParser.h

alib2data/src/automaton/AutomatonToXMLComposer.cpp

alib2data/src/container/ContainerFromXMLParser.cpp

alib2data/src/container/ContainerFromXMLParser.hpp

alib2data/src/container/ContainerToXMLComposer.hpp

alib2data/src/exception/ExceptionFromXMLParser.h

alib2data/src/factory/AutomatonFactory.cpp

alib2data/src/factory/AutomatonFactory.h

alib2data/src/factory/DataFactory.hpp

alib2data/src/factory/ExceptionFactory.cpp

alib2data/src/factory/ExceptionFactory.h

alib2data/src/factory/GrammarFactory.cpp