Add cod models with a double normal length based selectivity
change years in casefiles to start at 1 and end at 100
Add file to calculate Fmsy and the corresponding F rates to fish at 90% of MSY
Change case files to work with col

double normal length based selectivity
Make casefile arguments more readable.
change simulation to col
fix error in years for F list was misspecified and seq started at zero making too many years for the burnin
update runEstGrowth.r