move compare to ext namespace

alib2algo/src/stringology/indexing/SuffixArrayNaive.h

alib2algo/src/stringology/query/SuffixArrayFactors.h

alib2common/src/base/CommonBase.hpp

alib2common/src/base/WrapperBase.hpp

alib2common/src/container/ObjectsDeque.h

alib2common/src/container/ObjectsList.h

alib2common/src/container/ObjectsMap.h

alib2common/src/container/ObjectsPair.h

alib2common/src/container/ObjectsSet.h

alib2common/src/container/ObjectsTree.h

alib2common/src/container/ObjectsTrie.h

alib2common/src/container/ObjectsVector.h

alib2common/src/object/AnyObject.h

alib2data/src/alphabet/NonlinearVariableSymbol.h

alib2data/src/automaton/FSM/CompactNFA.h

alib2data/src/automaton/FSM/DFA.h

alib2data/src/automaton/FSM/EpsilonNFA.h

alib2data/src/automaton/FSM/ExtendedNFA.h

alib2data/src/automaton/FSM/MultiInitialStateNFA.h

alib2data/src/automaton/FSM/NFA.h