Ignore nonzero status from node process

This is deemed normal in loop logic, especially in case of kills

scripts/node.sh

@@ -270,9 +270,9 @@ do
    echo "############### Running Harmony Process ###############"
    if [ "$OS" == "Linux" ]; then
    # Run Harmony Node
-      LD_LIBRARY_PATH=$(pwd) ./harmony -bootnodes $BN_MA -ip $PUB_IP -port $NODE_PORT -is_genesis -is_archival -accounts $IDX
+      LD_LIBRARY_PATH=$(pwd) ./harmony -bootnodes $BN_MA -ip $PUB_IP -port $NODE_PORT -is_genesis -is_archival -accounts $IDX || :
    else
-      DYLD_FALLBACK_LIBRARY_PATH=$(pwd) ./harmony -bootnodes $BN_MA -ip $PUB_IP -port $NODE_PORT -is_genesis -is_archival -accounts $IDX
+      DYLD_FALLBACK_LIBRARY_PATH=$(pwd) ./harmony -bootnodes $BN_MA -ip $PUB_IP -port $NODE_PORT -is_genesis -is_archival -accounts $IDX || :
    fi
    ${loop} || break
    # TODO add throttling