Add version for 5.4.1 and bwc indices for 5.4.0

core/src/main/java/org/elasticsearch/Version.java

@@ -80,6 +80,8 @@ public class Version implements Comparable<Version> {
     public static final Version V_5_3_2_UNRELEASED = new Version(V_5_3_2_ID_UNRELEASED, org.apache.lucene.util.Version.LUCENE_6_4_2);
     public static final int V_5_4_0_ID_UNRELEASED = 5040099;
     public static final Version V_5_4_0_UNRELEASED = new Version(V_5_4_0_ID_UNRELEASED, org.apache.lucene.util.Version.LUCENE_6_5_0);
+    public static final int V_5_4_1_ID_UNRELEASED = 5040199;
+    public static final Version V_5_4_1_UNRELEASED = new Version(V_5_4_1_ID_UNRELEASED, org.apache.lucene.util.Version.LUCENE_6_5_0);
     public static final int V_5_5_0_ID_UNRELEASED = 5050099;
     public static final Version V_5_5_0_UNRELEASED = new Version(V_5_5_0_ID_UNRELEASED, org.apache.lucene.util.Version.LUCENE_6_5_0);
     public static final int V_6_0_0_alpha1_ID_UNRELEASED = 6000001;
@@ -104,6 +106,8 @@ public class Version implements Comparable<Version> {
                 return V_6_0_0_alpha1_UNRELEASED;
             case V_5_5_0_ID_UNRELEASED:
                 return V_5_5_0_UNRELEASED;
+            case V_5_4_1_ID_UNRELEASED:
+                return V_5_4_1_UNRELEASED;
             case V_5_4_0_ID_UNRELEASED:
                 return V_5_4_0_UNRELEASED;
             case V_5_3_2_ID_UNRELEASED: