added command to make directories for arduino libraries if non-existant
added command to make directories for arduino libraries if non-existant

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