make EpsilonNFA templated

acompare2/src/AutomatonCompare.cpp

acompare2/src/AutomatonCompare.h

aconversions2/src/ConversionHandler.cpp

aconvert2/src/DotConverter.cpp

aconvert2/src/DotConverter.h

aconvert2/src/GasTexConverter.cpp

aconvert2/src/GasTexConverter.h

aconvert2/src/TikZConverter.cpp

aconvert2/src/TikZConverter.h

alib2algo/src/automaton/convert/ToRegExp.cpp

alib2algo/src/automaton/convert/ToRegExp.h

alib2algo/src/automaton/convert/ToRegExpAlgebraic.cpp

alib2algo/src/automaton/convert/ToRegExpAlgebraic.h

alib2algo/src/automaton/convert/ToRegExpStateElimination.cpp

alib2algo/src/automaton/properties/AllEpsilonClosure.cpp

alib2algo/src/automaton/properties/AllEpsilonClosure.h

alib2algo/src/automaton/properties/EpsilonClosure.cpp

alib2algo/src/automaton/properties/EpsilonClosure.h

alib2algo/src/automaton/properties/ReachableStates.cpp

alib2algo/src/automaton/properties/UsefullStates.cpp