Changed length bins and length data

Added 1 cm data length bins to match population bins.  Changed data to
suit these data bins and added survey length comps.
Changed age bins and age data

Changed data age bins to match population age bins. Change age comps to
reflect this, and added survey age comps.
Change to population length bin and other fixes

Changed binwidth for popn lengths to 1. Changed number length obs to
200. Commented the header before comps. It runs in SS through data file.