[ONOS-4411,ONOS-4413,ONOS-4526] Yang Enumeration Translator and Defect fixes.

Change-Id: Ie5b6b5d6d6df283a57ae06b1979f0d03022f3baf
diff --git a/utils/yangutils/src/test/resources/EnumTranslator.yang b/utils/yangutils/src/test/resources/EnumTranslator.yang
new file mode 100644
index 0000000..1957c1f
--- /dev/null
+++ b/utils/yangutils/src/test/resources/EnumTranslator.yang
@@ -0,0 +1,17 @@
+module Sfc {
+    yang-version 1;
+    namespace http://huawei.com;
+    prefix Ant;
+    leaf test{
+        type string;
+    }
+    leaf myenum {
+      type enumeration {
+         enum zero;
+         enum one;
+         enum seven {
+              value 7;
+             }
+         }
+     }
+}