ENH: Function objects - first pass at updating read functionality

Note: should be using the result of the parent::read(dict) when
deciding whether to read local entries...

src/functionObjects/utilities/writeDictionary/writeDictionary.C

@@ -122,6 +122,8 @@ Foam::functionObjects::writeDictionary::~writeDictionary()
 
 bool Foam::functionObjects::writeDictionary::read(const dictionary& dict)
 {
+    regionFunctionObject::read(dict);
+
     wordList dictNames(dict.lookup("dictNames"));
     HashSet<word> uniqueNames(dictNames);
     dictNames_ = uniqueNames.toc();