example: CASAS_single: mlp scripts fixes
example: CASAS_single: mlp scripts fixes

1. The raw sensor data are pre-processed with normalized statistical
per-sensor features.
2. Add '--week' option so for debugging a specific week.

Signed-off-by: Tinghui Wang <b242afeef4efadf7acab60ba9204ad943623eea5@wsu.edu>

TinghuiWang/pyActLearn