Removed duplicated lines in ChangeLog
Removed duplicated lines in ChangeLog

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