Address comments

Use ".stdout" and ".stderr" for all IOF output files

Signed-off-by: Ralph Castain <[email protected]>

Chap_API_Tools.tex

@@ -764,15 +764,15 @@ \subsection{IO Forwarding attributes}
 }
 %
 \declareAttributeNEW{PMIX_IOF_OUTPUT_TO_FILE}{"pmix.iof.file"}{char*}{
-Direct application output into files of form "<filename>.<nspace>.<rank>.out" (for \code{stdout}) and "<filename>.<nspace>.<rank>.err" (for \code{stderr}). If \refattr{PMIX_IOF_MERGE_STDERR_STDOUT} was given, then only the \code{stdout} file will be created and both streams will be written into it.
+Direct application output into files of form "<filename>.<nspace>.<rank>.stdout" (for \code{stdout}) and "<filename>.<nspace>.<rank>.stderr" (for \code{stderr}). If \refattr{PMIX_IOF_MERGE_STDERR_STDOUT} was given, then only the \code{stdout} file will be created and both streams will be written into it.
 }
 %
 \declareAttributeNEW{PMIX_IOF_OUTPUT_TO_DIRECTORY}{"pmix.iof.dir"}{char*}{
 Direct application output into files of form "<directory>/<nspace>/rank.<rank>/stdout" (for \code{stdout}) and "<directory>/<nspace>/rank.<rank>/stderr" (for \code{stderr}). If \refattr{PMIX_IOF_MERGE_STDERR_STDOUT} was given, then only the \code{stdout} file will be created and both streams will be written into it.
 }
 %
 \declareAttributeNEW{PMIX_IOF_FILE_PATTERN}{"pmix.iof.fpt"}{bool}{
-Specified output file is to be treated as a pattern and not automatically annotated by nspace, rank, or other parameters. The pattern can use \code{\%n} for the namespace, and \code{\%r} for the rank wherever those quantities are to be placed. The resulting filename will be appended with ".out" for the \code{stdout} stream and ".err" for the \code{stderr} stream. If \refattr{PMIX_IOF_MERGE_STDERR_STDOUT} was given, then only the \code{stdout} file will be created and both streams will be written into it.
+Specified output file is to be treated as a pattern and not automatically annotated by nspace, rank, or other parameters. The pattern can use \code{\%n} for the namespace, and \code{\%r} for the rank wherever those quantities are to be placed. The resulting filename will be appended with ".stdout" for the \code{stdout} stream and ".stderr" for the \code{stderr} stream. If \refattr{PMIX_IOF_MERGE_STDERR_STDOUT} was given, then only the \code{stdout} file will be created and both streams will be written into it.
 }
 %
 \declareAttributeNEW{PMIX_IOF_FILE_ONLY}{"pmix.iof.fonly"}{bool}{