add noexcept to move operator= / constructors

alib2data/src/graph/common/Node.cpp

alib2data/src/graph/common/Node.h

alib2data/src/graph/directed/DirectedEdge.cpp

alib2data/src/graph/directed/DirectedEdge.h

alib2data/src/graph/undirected/UndirectedEdge.cpp

alib2data/src/graph/undirected/UndirectedEdge.h

alib2data/src/regexp/formal/FormalRegExpAlternation.cpp

alib2data/src/regexp/formal/FormalRegExpAlternation.h

alib2data/src/regexp/formal/FormalRegExpConcatenation.cpp

alib2data/src/regexp/formal/FormalRegExpConcatenation.h

alib2data/src/regexp/formal/FormalRegExpElement.h

alib2data/src/regexp/formal/FormalRegExpEmpty.cpp

alib2data/src/regexp/formal/FormalRegExpEmpty.h

alib2data/src/regexp/formal/FormalRegExpEpsilon.cpp

alib2data/src/regexp/formal/FormalRegExpEpsilon.h

alib2data/src/regexp/formal/FormalRegExpIteration.cpp

alib2data/src/regexp/formal/FormalRegExpIteration.h

alib2data/src/regexp/formal/FormalRegExpSymbol.cpp

alib2data/src/regexp/formal/FormalRegExpSymbol.h

...2data/src/regexp/unbounded/UnboundedRegExpAlternation.cpp