Enrich information presentation

[jadianes]

From JG:
Information that I would like to see in the boxes right away (if possible): # spectra, ratio, precursor m/z and charge (this could also be represented like "820.02 / +3" to save space - everyone understands this), modifications (if f.e. you have 5 clusters with peptide "ABC" they will probably have different mods, and I'm only interested in iTRAQ peptides so I'd like to see this right away), # species