Fix trailing tab in header of annotateBed output
Fix trailing tab in header of annotateBed output

while keeping correct column delineation.

arq5x/bedtools2,jmarshall/bedtools2,jmarshall/bedtools2,arq5x/bedtools2,arq5x/bedtools2,jmarshall/bedtools2,arq5x/bedtools2,jmarshall/bedtools2,jmarshall/bedtools2,arq5x/bedtools2