Modified the Model parser code to allow "objective" as a field name in
yaml.
Change-Id: Ia3667ebc84a0bbdbbb3723bdcf0237a8f35313ee
Issue-ID: POLICY-1244
Signed-off-by: Michael Mokry <michael.mokry@att.com>
(cherry picked from commit 
51842453b199a7c3a6785f4ab047612d50eab3b9)
                         hm = new LinkedHashMap<>();
                         String keyStr = key.substring(key.lastIndexOf('.') + 1);
                         String valueStr = map.get(key);
-                        if (key.contains(".objective.")) {
-                            throw new ParserException("Attribute objective is a key word. Please use a different name");
-                        }
+
                         if (("type").equals(keyStr)) {
                             if (!key.contains("entry_schema")) {
                                 hm.put(keyStr, valueStr);