foamChemistryReader: Added support for elements and specie composition

Based on a patch contributed by Francesco Contino, Tommaso Lucchini,
Gianluca D’Errico, Hervé Jeanmart, Nicolas Bourgeois and Stéphane
Backaert.

applications/utilities/thermophysical/chemkinToFoam/chemkinToFoam.C

@@ -88,8 +88,8 @@ int main(int argc, char *argv[])
         {
             elementsDict.add
             (
-                cr.specieComposition()[speciesList[si]][ei].elementName,
-                cr.specieComposition()[speciesList[si]][ei].nAtoms
+                cr.specieComposition()[speciesList[si]][ei].name(),
+                cr.specieComposition()[speciesList[si]][ei].nAtoms()
             );
         }