Add custom logger for Ceres LBFGS to reduce log output size but still get som progress information
Add custom logger for Ceres LBFGS to reduce log output size but still get som progress information


Former-commit-id: bbe81e6bc562c064d7c5cf3845973a98f7ac1836
DavidAce/DMRG,DavidAce/DMRG,DavidAce/DMRG,DavidAce/DMRG