Edited sims2annotation so that it too should now handle an empty aa sims or rna sims file, but not both.
Edited sims2annotation so that it too should now handle an empty aa sims or rna sims file, but not both.

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