Also send the titles/subtitles/etc. to config.log. The line numbers

will be wrong (because it's called via a shell subroutine rather than
an m4 macro... doh!), but it's still helpful for searching around in
config.log.  

This commit was SVN r27912.

config/opal_functions.m4

@@ -49,6 +49,7 @@ ompi_show_title() {
 == ${1}
 ============================================================================
 EOF
+  OPAL_LOG_MSG([=== ${1}], 1)
 }
 
 
@@ -57,6 +58,7 @@ ompi_show_subtitle() {
 
 *** ${1}
 EOF
+  OPAL_LOG_MSG([*** ${1}], 1)
 }
 
 
@@ -65,6 +67,7 @@ ompi_show_subsubtitle() {
 
 +++ ${1}
 EOF
+  OPAL_LOG_MSG([+++ ${1}], 1)
 }
 
 ompi_show_subsubsubtitle() {
@@ -72,6 +75,7 @@ ompi_show_subsubsubtitle() {
 
 --- ${1}
 EOF
+  OPAL_LOG_MSG([--- ${1}], 1)
 }
 
 #