Revert "Fixed Nesterov momentum. Changed paths in run.sh to relative and srun output to unbuffered."

This reverts commit 5523046e2461d6703b6fc96fca7b507124504fd8, reversing
changes made to 7c9c9373fb1cfcd4d10cf4e6cce71658935de1a8.
Revert "Fixed Nesterov momentum. Changed paths in run.sh to relative s"

This reverts commit 7c9c9373fb1cfcd4d10cf4e6cce71658935de1a8.