addapt to drop visitor capablity

acompare2/src/AutomatonCompare.cpp

acompare2/src/AutomatonCompare.h

acompare2/src/GrammarCompare.cpp

acompare2/src/GrammarCompare.h

aconvert2/src/DotConverter.h

aconvert2/src/GasTexConverter.h

alib2algo/src/arbology/exact/ExactSubtreeMatch.h

alib2algo/src/arbology/exact/ExactSubtreeMatchingAutomaton.h

alib2algo/src/automaton/properties/EpsilonClosure.h

alib2algo/src/grammar/generate/GenerateUpToLength.cpp

alib2algo/src/grammar/generate/GenerateUpToLength.h

alib2algo/src/grammar/properties/NonterminalUnitRuleCycle.h

alib2algo/src/grammar/simplify/ToGNF.h

alib2algo/src/graph/shortestpath/BellmanFord.h

alib2algo/src/graph/shortestpath/Dijkstra.h

alib2algo/src/graph/spanningtree/JarnikPrim.h

alib2algo/src/regexp/convert/ToGrammar.h

alib2algo/src/regexp/transform/RegExpDerivation.h

alib2algo/src/regexp/transform/RegExpIntegral.h

alib2algo/src/string/naive/ExactCompare.h