Add units to plots and fix a bug in the landings plot.
Fixed priors versus post plotting logic. Still need to check why yht prior isn't plotting properly but the matching of priors and posts is correct now.
Priors vs. posts plotting improvement. Now in logspace.
Fix bug in index plotting code for single model case.
Fix F sensitivity plot and add selectivity parameters to pairs plot.
Implemented plot for N1, initial age structure without selectivity applied.
Implemented MPD recruitmen deviations plot.
Add sensitivity plots for selectivity at both length and age. Had to remove the selectivity block plotting code for now as it was getting to complex.
Merge remote-tracking branch 'cgrandin/master'