don't show 'parallel processing' option
add 'peptide.specificity' argument to normalize
stop when peptide specificity argument is invalid
added z-score thresholding
bug fix
Merge branch 'ptm' of /slow/bioinfo/vcs/git/fbreitwieser/isobar-Rlib into ptm
fixed my.protein.infos bug when having a gene with different protein names