update in awe_blat.py: multi-threading and sort in pwd
update in awe_blat.py: multi-threading and sort in pwd

MG-RAST/pipeline,teharrison/pipeline,teharrison/pipeline,MG-RAST/pipeline,teharrison/pipeline,wgerlach/pipeline,wgerlach/pipeline,MG-RAST/pipeline,wgerlach/pipeline