Fix README to indicate proper testing instructions for the time being.
Fix README to indicate proper testing instructions for the time being.

kdmurray91/khmer,Winterflower/khmer,Winterflower/khmer,souravsingh/khmer,Winterflower/khmer,kdmurray91/khmer,jas14/khmer,F1000Research/khmer,kdmurray91/khmer,souravsingh/khmer,ged-lab/khmer,jas14/khmer,ged-lab/khmer,F1000Research/khmer,jas14/khmer,F1000Research/khmer,souravsingh/khmer,ged-lab/khmer