Have ompi_info output a better error message when a requested framework cannot be found, either because it doesn't exist or support wasn't configured into OMPI.

This commit was SVN r22030.

ompi/tools/ompi_info/help-ompi_info.txt

@@ -43,3 +43,15 @@ Aborting...
 ***   Value:      "%s"
 ***   Max length: %d
 **************************************************************************
+#
+[not-found]
+The specified framework could not be found:
+
+  Framework: %s
+
+This could be due to a misspelling of the framework name, or because support
+for that framework was not configured into this version of OMPI. Please see
+
+  ompi_info --config
+
+for a full report of how OMPI was configured.

ompi/tools/ompi_info/param.c

@@ -138,7 +138,7 @@ void ompi_info_do_params(bool want_all_in, bool want_internal)
             
             if (!found) {
                 char *usage = opal_cmd_line_get_usage_msg(ompi_info_cmd_line);
-                orte_show_help("help-ompi_info.txt", "usage", true, usage);
+                orte_show_help("help-ompi_info.txt", "not-found", true, type);
                 free(usage);
                 exit(1);
             }