message: Fixed some errors and formatting in help message.
diff: @@ -291,13 +291,13 @@ void RunParams::printHelpMessage(std::ostream& str) const
  << "\t (directory path for output data files)\n";
  str << "\t\t Examples...\n"
  << "\t\t --outdir foo (output files to ./foo directory\n"
  - << "\t\t --odir /nfs/tmp/me (output files to /nfs/tmp/me directory)\n\n";
  + << "\t\t --od /nfs/tmp/me (output files to /nfs/tmp/me directory)\n\n";
  str << "\t --outfile, -of <string> [Default is RAJAPerf]\n"
  << "\t (file name prefix for output files)\n";
  str << "\t\t Examples...\n"
  << "\t\t --outfile mydata (output data will be in files 'mydata*')\n"
  - << "\t\t --ofile dat (output data will be in files 'dat*')\n\n";
  + << "\t\t --of dat (output data will be in files 'dat*')\n\n";
  str << "\t --kernels, -k <space-separated strings> [Default is run all]\n"
  << "\t (names of individual kernels and/or groups of kernels to run)\n";
  @@ -310,7 +310,7 @@ void RunParams::printHelpMessage(std::ostream& str) const
  << "\t (names of variants)\n";
  str << "\t\t Examples...\n"
  << "\t\t -variants RAJA_CUDA (run RAJA_CUDA variants)\n"
  - << "\t\t -v Baseline_Seq RAJA_CUDA (run Baseline_Seq, RAJA_CUDA variants)\n";
  + << "\t\t -v Baseline_Seq RAJA_CUDA (run Baseline_Seq, RAJA_CUDA variants)\n\n";
  str << "\t --refvar, -rv <string> [Default is none]\n"
  << "\t (reference variant for speedup calculation)\n\n";
  