Remove verbose output from qsub-mr
Updated qsub-mr.bash
Imporve run-mira-qsub.bash

1. Retry an iteration for up to MAXTRY times in case of failure.
2. INIT_WEIGHTS is no longer required when ITERS is set to continue an optimization run.
3. Compress logs from qsub.
4. Add MEM option.
Use a fixed source of randomness