[REEF-1652] Change properties of UpdateResult in IMRU to public from internal

JIRA:
  [REEF-1652](https://issues.apache.org/jira/browse/REEF-1652)

Pull Request:
  This closes #1168
diff --git a/lang/cs/Org.Apache.REEF.IMRU/API/UpdateResult.cs b/lang/cs/Org.Apache.REEF.IMRU/API/UpdateResult.cs
index 28a232c..b31d899 100644
--- a/lang/cs/Org.Apache.REEF.IMRU/API/UpdateResult.cs
+++ b/lang/cs/Org.Apache.REEF.IMRU/API/UpdateResult.cs
@@ -40,32 +40,32 @@
             _done = done;
         }
 
-        internal bool IsDone
+        public bool IsDone
         {
             get { return _done; }
         }
 
-        internal bool IsNotDone
+        public bool IsNotDone
         {
             get { return !_done; }
         }
 
-        internal bool HasMapInput
+        public bool HasMapInput
         {
             get { return _hasMapInput; }
         }
 
-        internal bool HasResult
+        public bool HasResult
         {
             get { return _hasResult; }
         }
 
-        internal TMapInput MapInput
+        public TMapInput MapInput
         {
             get { return _mapInput; }
         }
 
-        internal TResult Result
+        public TResult Result
         {
             get { return _result; }
         }