Modified bgp file name according to naming convention.

Change-Id: I403139b53fbc1a2dba894dfd39720707a52ba7cd
diff --git a/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/IPv6AddressTlv.java b/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/IPv6AddressTlv.java
index 7bc7518..a87825f 100644
--- a/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/IPv6AddressTlv.java
+++ b/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/IPv6AddressTlv.java
@@ -20,7 +20,7 @@
 
 import org.jboss.netty.buffer.ChannelBuffer;
 import org.onlab.packet.Ip6Address;
-import org.onosproject.bgpio.exceptions.BGPParseException;
+import org.onosproject.bgpio.exceptions.BgpParseException;
 import org.onosproject.bgpio.util.Validation;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -31,7 +31,7 @@
 /**
  * Provides Implementation of IPv6AddressTlv.
  */
-public class IPv6AddressTlv implements BGPValueType {
+public class IPv6AddressTlv implements BgpValueType {
     private static final Logger log = LoggerFactory.getLogger(IPv6AddressTlv.class);
     private static final int LENGTH = 16;
 
@@ -95,12 +95,12 @@
      * @param cb channelBuffer
      * @param type address type
      * @return object of IPv6AddressTlv
-     * @throws BGPParseException while parsing IPv6AddressTlv
+     * @throws BgpParseException while parsing IPv6AddressTlv
      */
-    public static IPv6AddressTlv read(ChannelBuffer cb, short type) throws BGPParseException {
+    public static IPv6AddressTlv read(ChannelBuffer cb, short type) throws BgpParseException {
         InetAddress ipAddress = Validation.toInetAddress(LENGTH, cb);
         if (ipAddress.isMulticastAddress()) {
-            throw new BGPParseException(BGPErrorType.UPDATE_MESSAGE_ERROR, (byte) 0, null);
+            throw new BgpParseException(BgpErrorType.UPDATE_MESSAGE_ERROR, (byte) 0, null);
         }
         Ip6Address address = Ip6Address.valueOf(ipAddress);
         return IPv6AddressTlv.of(address, type);