Revert "Update predict.py"  - glonbal mean does no longer exist in master  - this features has bee moved to predict.py in release-0.9
Revert "Update predict.py"
 - glonbal mean does no longer exist in master
 - this features has bee moved to predict.py in release-0.9

This reverts commit 2bdfa95cbe8bfbd49675252d150bc300857886c3.

ExaScience/smurff,ExaScience/smurff,ExaScience/smurff,ExaScience/smurff,ExaScience/smurff,ExaScience/smurff