message: [TF] fix validator sets gen
  We recently made changes in build to work around Cargo's feature unification
  so that we can separate testing and fuzzing code (1d1cb400). We need to update
  the build script that generates the validator config to keep it in sync.
  Closes:
  Approved by: ankushagarwal
diff: #!/bin/sh
  set -e
  -OUTDIR="${1?[Specify relative output directory]}"
  +OUT_DIR="${1?[Specify relative output directory]}"
  shift
  -mkdir -p "$OUTDIR"
  +LIBRA_DIR="$(cd "$( dirname "${BASH_SOURCE[0]}" )" && cd ../.. && pwd)"
  +TF_WORK_DIR="$LIBRA_DIR/terraform/validator-sets"
  +OUTPUT_DIR="$TF_WORK_DIR/$OUT_DIR"
  +mkdir -p "$OUTPUT_DIR"
  -cd ../..
  -if [ ! -e "terraform/validator-sets/$OUTDIR/mint.key" ]; then
  - cargo run --bin generate-keypair -- -o "terraform/validator-sets/$OUTDIR/mint.key"
  +if [ ! -e "$OUTPUT_DIR/mint.key" ]; then
  + cargo run -p generate-keypair --bin generate-keypair -- -o "$OUTPUT_DIR/mint.key"
  fi
  -cargo run --bin libra-config -- -b config/data/configs/node.config.toml -m "terraform/validator-sets/$OUTDIR/mint.key" -o "terraform/validator-sets/$OUTDIR/val" -d -r validator "$@"
  -cargo run --bin libra-config -- -b config/data/configs/node.config.toml -m "terraform/validator-sets/$OUTDIR/mint.key" -o "terraform/validator-sets/$OUTDIR/fn" -u "terraform/validator-sets/$OUTDIR/val/0" -r full_node -n 10
  +cd $LIBRA_DIR && cargo run -p config-builder --bin libra-config -- -b $LIBRA_DIR/config/data/configs/node.config.toml -m "$OUTPUT_DIR/mint.key" -o "$OUTPUT_DIR/val" -d -r validator "$@"
  +cd $LIBRA_DIR && cargo run -p config-builder --bin libra-config -- -b $LIBRA_DIR/config/data/configs/node.config.toml -m "$OUTPUT_DIR/mint.key" -o "$OUTPUT_DIR/fn" -u "$OUTPUT_DIR/val/0" -r full_node -n 10
  -cd -
  -cd $OUTDIR/val
  +cd "$OUTPUT_DIR/val"
  mv */*.keys.toml .
  mv 1/*.network_peers.config.toml network_peers.config.toml
  mv 1/consensus_peers.config.toml ../consensus_peers.config.toml
  @@ -25,7 +26,7 @@ mv 1/genesis.blob ../
  rm */*.toml */*.blob
  find . -mindepth 1 -type d -print0 | xargs -0 rmdir
  -cd ../fn
  +cd "$OUTPUT_DIR/fn"
  mv */*.keys.toml .
  mv 0/*.network_peers.config.toml network_peers.config.toml
  rm */*.toml */*.blob
  