qrp_report

Pull request #324: DEV-33103: Variableorder and headerorder

Merge in AD/qrp_report from DEV-33103 to DEV-32647

* commit 'd91dee4f97a4807dd7922974af4e826787f52991':
  DEV-33103: updated table1 sort order
  DEV-33103: code cleanup
  DEV-33103: updated sorting for creation of variableorder
  DEV-33103: implement variableorder
  DEV-33103: code cleanup
  DEV-33103: saved order variables to compute headerorder
  DEV-33103: added cov_varname to keep statement
  DEV-33103: added check that there is a 1:1 relationship between covarnum and studyname