messageStream: Added support for suppressing the printing of log header

This generalizes and replaces the previous "noBanner" option provided by argList
and is extended to include the messages printed by Time.

Resolves bug-report https://bugs.openfoam.org/view.php?id=2782

applications/test/fileNameClean/Test-fileNameClean.C

@@ -26,7 +26,6 @@ Application
 
 Description
 
-
 \*---------------------------------------------------------------------------*/
 
 #include "argList.H"
@@ -62,7 +61,8 @@ void printCleaning(fileName& pathName)
 
 int main(int argc, char *argv[])
 {
-    argList::noBanner();
+    writeInfoHeader = false;
+
     argList::noParallel();
     argList::validArgs.insert("fileName .. fileNameN");
     argList::addOption("istream", "file", "test Istream values");