Rename pointer_ to index_ (misnomer).
Rename pointer_ to index_ (misnomer).

libtetcoin/libtetcoin-node,libtetcoin/libtetcoin-node,libjetcoin/libjetcoin-node,libmetrocoin/libmetrocoin-node,libjetcoin/libjetcoin-node,libjetcoin/libjetcoin-node,libmetrocoin/libmetrocoin-node,libtetcoin/libtetcoin-node,libmetrocoin/libmetrocoin-node