-rankedBarSymbol refactor rankedSymbol

alib2algo/src/tree/generate/RandomTreeFactory.cpp

alib2data/src/XmlApi.cpp

alib2data/src/XmlApi.hpp

alib2data/src/alphabet/NextSymbol.cpp

alib2data/src/alphabet/NextSymbol.h

alib2data/src/alphabet/RankedBarSymbol.cpp

alib2data/src/alphabet/RankedBarSymbol.h

alib2data/src/alphabet/RankedSymbol.cpp

alib2data/src/alphabet/RankedSymbol.h

alib2data/src/alphabet/SymbolFromXMLParser.cpp

alib2data/src/alphabet/SymbolFromXMLParser.h

alib2data/src/alphabet/SymbolToStringComposer.cpp

alib2data/src/alphabet/SymbolToStringComposer.h

alib2data/src/alphabet/SymbolToXMLComposer.cpp

alib2data/src/alphabet/SymbolToXMLComposer.h

alib2data/src/object/ObjectBase.h

alib2data/src/tree/TreeFromRawParser.cpp

alib2data/src/tree/TreeFromXMLParser.cpp

alib2data/src/tree/TreeFromXMLParser.h

alib2data/src/tree/TreeToXMLComposer.cpp