Add Version [5.0.0.beta1]

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

@@ -87,7 +87,9 @@ public class Version {
     public static final Version V_5_0_0_alpha5 = new Version(V_5_0_0_alpha5_ID, org.apache.lucene.util.Version.LUCENE_6_1_0);
     public static final int V_5_0_0_alpha6_ID = 5000006;
     public static final Version V_5_0_0_alpha6 = new Version(V_5_0_0_alpha6_ID, org.apache.lucene.util.Version.LUCENE_6_2_0);
-    public static final Version CURRENT = V_5_0_0_alpha6;
+    public static final int V_5_0_0_beta1_ID = 5000026;
+    public static final Version V_5_0_0_beta1 = new Version(V_5_0_0_beta1_ID, org.apache.lucene.util.Version.LUCENE_6_2_0);
+    public static final Version CURRENT = V_5_0_0_beta1;
 
     static {
         assert CURRENT.luceneVersion.equals(org.apache.lucene.util.Version.LATEST) : "Version must be upgraded to ["
@@ -100,6 +102,8 @@ public class Version {
 
     public static Version fromId(int id) {
         switch (id) {
+            case V_5_0_0_beta1_ID:
+                return V_5_0_0_beta1;
             case V_5_0_0_alpha6_ID:
                 return V_5_0_0_alpha6;
             case V_5_0_0_alpha5_ID: