enable and fix additional warnings for alib2data_experimental

alib2data_experimental/makefile

alib2data_experimental/src/graph/common/Node.cpp

alib2data_experimental/src/graph/common/Node.h

alib2data_experimental/src/graph/directed/DirectedEdge.cpp

alib2data_experimental/src/graph/directed/DirectedEdge.h

alib2data_experimental/src/graph/directed/DirectedGraph.cpp

alib2data_experimental/src/graph/directed/DirectedGraph.h

...data_experimental/src/graph/undirected/UndirectedEdge.cpp

alib2data_experimental/src/graph/undirected/UndirectedEdge.h

...ata_experimental/src/graph/undirected/UndirectedGraph.cpp

...2data_experimental/src/graph/undirected/UndirectedGraph.h

...perimental/src/indexes/suffixTrie/SuffixTrieFinalMark.cpp

...experimental/src/indexes/suffixTrie/SuffixTrieFinalMark.h

...mental/src/indexes/suffixTrie/SuffixTrieNodeFinalMark.cpp

...rimental/src/indexes/suffixTrie/SuffixTrieNodeFinalMark.h

...rc/indexes/suffixTrie/SuffixTrieNodeTerminatingSymbol.cpp

.../src/indexes/suffixTrie/SuffixTrieNodeTerminatingSymbol.h

...al/src/indexes/suffixTrie/SuffixTrieTerminatingSymbol.cpp

...ntal/src/indexes/suffixTrie/SuffixTrieTerminatingSymbol.h

...experimental/src/string/LinearStringTerminatingSymbol.cpp