run_sample_type_predictor import is wrong

[dmalzl]

When running the run_pipeline.py script I get an import error when it is trying to import run_sample_type_predictor. This import is written as

from predict_sample_type import run_sample_type_predictor

when really this module is part of the map_sra_to_ontology module and the import should read

from map_sra_to_ontology import run_sample_type_predictor

rewriting the first to the second fixes the import error and the pipeline runs without problem. Of course given #276 was fixed before