Revised simulation code and data

The zipped tarball contains revised simulation code and data for my revisions of 23 August 2012. 1) combined.results.RData (combined results from all simulations; 2) Fig1.simulation.R (R code use for simulating the example of Figure 1); 3) Five files named according to the convention qX.Y.R - these contain the code used in simulation for each value of q=X.Y; 4) Five files named according to the convention qX.Y.RData - these contain the results from simulation for each value of q=X.Y; 5) summary.code.R (R code for summarizing the results from simulation); 6) a folder comparison.to.SIMMAP containing comparison code in R, an .RData file with results, and the input (.xml) and output (.nex) files from SIMMAP.