ENH: change wordRes to be a List of wordRe instead of a wrapper (issue #259)

- this permits direct storage of a list with additional matcher
  capabilities

- provide wordRes::matcher class for similar behaviour as previously

applications/test/stringList/Test-stringList.C

@@ -49,7 +49,7 @@ int main(int argc, char *argv[])
         "okkkey",
     };
 
-    wordReList reLst(IStringStream("( okey \"[hy]e+.*\" )")());
+    wordRes reLst(IStringStream("( okey \"[hy]e+.*\" )")());
 
     Info<< "stringList " << strLst << nl;