made mutation color scale integers, removed subtraction of the mean
made mutation color scale integers, removed subtraction of the mean

blab/stability,fw1121/nextflu,blab/stability,blab/nextflu,blab/nextflu,doerlbh/Indie-nextflu,fw1121/nextflu,blab/stability,fw1121/nextflu,doerlbh/Indie-nextflu,blab/nextflu,doerlbh/Indie-nextflu,fw1121/nextflu,doerlbh/Indie-nextflu,blab/nextflu,blab/nextflu,blab/stability,blab/stability,blab/stability