added directory checks inside experiment_record node
added directory checks inside experiment_record node

MPC-Berkeley/barc,MPC-Berkeley/barc,BARCproject/barc,MPC-Berkeley/barc,MPC-Berkeley/barc,BARCproject/barc,MPC-Berkeley/barc,MPC-Berkeley/barc,BARCproject/barc,BARCproject/barc,BARCproject/barc,BARCproject/barc,MPC-Berkeley/barc,BARCproject/barc