Enable checkstyle check for newline at the end of
source files and fix the errors found.

Change-Id: If1c8eb2127d2f2394157750e6bae7b94169c6bc4
diff --git a/src/main/java/net/onrc/onos/core/datastore/IKVTable.java b/src/main/java/net/onrc/onos/core/datastore/IKVTable.java
index 2260ad0..95e0027 100644
--- a/src/main/java/net/onrc/onos/core/datastore/IKVTable.java
+++ b/src/main/java/net/onrc/onos/core/datastore/IKVTable.java
@@ -108,4 +108,4 @@
      * @return entries in this table.
      */
     public Iterable<IKVEntry> getAllEntries();
-}
\ No newline at end of file
+}
diff --git a/src/main/java/net/onrc/onos/core/datastore/IKVTableID.java b/src/main/java/net/onrc/onos/core/datastore/IKVTableID.java
index c736908..cee4b90 100644
--- a/src/main/java/net/onrc/onos/core/datastore/IKVTableID.java
+++ b/src/main/java/net/onrc/onos/core/datastore/IKVTableID.java
@@ -4,4 +4,4 @@
 
     public String getTableName();
 
-}
\ No newline at end of file
+}
diff --git a/src/main/java/net/onrc/onos/core/datastore/IMultiObjectOperation.java b/src/main/java/net/onrc/onos/core/datastore/IMultiObjectOperation.java
index 898327f..07bdffb 100644
--- a/src/main/java/net/onrc/onos/core/datastore/IMultiObjectOperation.java
+++ b/src/main/java/net/onrc/onos/core/datastore/IMultiObjectOperation.java
@@ -6,4 +6,4 @@
 
     public KVObject getObject();
 
-}
\ No newline at end of file
+}
diff --git a/src/main/java/net/onrc/onos/core/datastore/ramcloud/RCTableID.java b/src/main/java/net/onrc/onos/core/datastore/ramcloud/RCTableID.java
index 9882ce3..450f160 100644
--- a/src/main/java/net/onrc/onos/core/datastore/ramcloud/RCTableID.java
+++ b/src/main/java/net/onrc/onos/core/datastore/ramcloud/RCTableID.java
@@ -57,4 +57,4 @@
         return Objects.equals(tableName, other.tableName)
                 && Objects.equals(getTableID(), other.getTableID());
     }
-}
\ No newline at end of file
+}