Internal function used to generate a report of estimation results
generate_report(parameters, ss, cfg, conv_desc)
List with the following elements:
report_file
name of report file
report_file_contents
contents of report file
parameters_all_file
name of CSV file with all parameters
parameters_est_file
name of CSV file with only the estimates
list of parameter estimates
output from solution_statistics
ubiquity system object
description of convergence criteria