Modified bgp file name according to naming convention.

Change-Id: I403139b53fbc1a2dba894dfd39720707a52ba7cd
diff --git a/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpAttrRouterIdV4.java b/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpAttrRouterIdV4.java
index a10d167..63937ba 100755
--- a/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpAttrRouterIdV4.java
+++ b/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpAttrRouterIdV4.java
@@ -19,9 +19,9 @@
 
 import org.jboss.netty.buffer.ChannelBuffer;
 import org.onlab.packet.Ip4Address;
-import org.onosproject.bgpio.exceptions.BGPParseException;
-import org.onosproject.bgpio.types.BGPErrorType;
-import org.onosproject.bgpio.types.BGPValueType;
+import org.onosproject.bgpio.exceptions.BgpParseException;
+import org.onosproject.bgpio.types.BgpErrorType;
+import org.onosproject.bgpio.types.BgpValueType;
 import org.onosproject.bgpio.util.Validation;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -31,7 +31,7 @@
 /**
  * Implements BGP attribute node router ID.
  */
-public final class BgpAttrRouterIdV4 implements BGPValueType {
+public final class BgpAttrRouterIdV4 implements BgpValueType {
 
     protected static final Logger log = LoggerFactory
             .getLogger(BgpAttrRouterIdV4.class);
@@ -70,15 +70,15 @@
      * @param cb ChannelBuffer
      * @param sType tag type
      * @return object of BgpAttrRouterIdV4
-     * @throws BGPParseException while parsing BgpAttrRouterIdV4
+     * @throws BgpParseException while parsing BgpAttrRouterIdV4
      */
     public static BgpAttrRouterIdV4 read(ChannelBuffer cb, short sType)
-            throws BGPParseException {
+            throws BgpParseException {
         short lsAttrLength = cb.readShort();
 
         if ((lsAttrLength != 4) || (cb.readableBytes() < lsAttrLength)) {
-            Validation.validateLen(BGPErrorType.UPDATE_MESSAGE_ERROR,
-                                   BGPErrorType.ATTRIBUTE_LENGTH_ERROR,
+            Validation.validateLen(BgpErrorType.UPDATE_MESSAGE_ERROR,
+                                   BgpErrorType.ATTRIBUTE_LENGTH_ERROR,
                                    lsAttrLength);
         }