qrp_report

Pull request #190: DEV-22200: Add L2 output subset subgroup

Merge in AD/qrp_report from DEV-22200 to pssubgroup_development

* commit '386203e1dd9f158c5b566cb498c334f9a007834d': (40 commits)
  DEV-22200: updated comment
  DEV-22200: Added extra conditions to set &tablecount to 0
  Updated sorting in l2_forestplot_createdata and fixed table 1 numbering for covstrat
  DEV-22200: Updated order in forest plots
  DEV-22200: Removed unused code
  DEV-22200: Updated figures numbering when letter does not apply
  DEV-22200: Used subgrouporder and subgroupcatorder for sorting and updated figures numbering logic
  DEV-22200: Switched NoStudyCovar and StudyCovar checks
  DEV-22200: Replaced length function with prxmatch
  mDEV-22200: Sorted weight distribution appendices by subgrouporder
  DEV-22200: Fixed combinedlabel length issue in appendix_output
  DEV-22200: Fixed combinedlabel length issue in appendix_output
  DEV-22200: Removed condition for IPTW baseline output
  DEV-22200: Updated numbering for histograms and KM curves
  DEV-22200: Updated macro variables initialization and assignment
  DEV-22200: Updated table 1s output
  DEV-22200: Initialized unique_psestimate in baseline_output
  DEV-22200: Readded tagattr attribute foe codetype
  DEV-22200: Fixed covariate labels issue in appendix
  DEV-22200: Added frequency to sorting variables in appendix_driver
  ...