Update: Preliminary work for su3 router updates:

- new ROUTER_SIGNED_SU3 UpdateType
   - Add support for torrent and HTTP
   - Refactor UpdateRunners to return actual UpdateType
   - Deal with signed/su3 conflicts
   - unpack/verify stubbed only

core/java/src/net/i2p/crypto/SU3File.java

@@ -64,11 +64,16 @@ public class SU3File {
 
     private static final int TYPE_ZIP = 0;
 
+    public static final int CONTENT_UNKNOWN = 0;
+    public static final int CONTENT_ROUTER = 1;
+    public static final int CONTENT_PLUGIN = 2;
+    public static final int CONTENT_RESEED = 3;
+
     private enum ContentType {
-        UNKNOWN(0, "unknown"),
-        ROUTER(1, "router"),
-        PLUGIN(2, "plugin"),
-        RESEED(3, "reseed")
+        UNKNOWN(CONTENT_UNKNOWN, "unknown"),
+        ROUTER(CONTENT_ROUTER, "router"),
+        PLUGIN(CONTENT_PLUGIN, "plugin"),
+        RESEED(CONTENT_RESEED, "reseed")
         ;
 
         private final int code;

core/java/src/net/i2p/update/UpdateType.java

@@ -6,14 +6,22 @@ package net.i2p.update;
  *  @since 0.9.4
  */
 public enum UpdateType {
-    TYPE_DUMMY,   // Internal use only
+    /** Dummy: internal use only */
+    TYPE_DUMMY,
     NEWS,
     ROUTER_SIGNED,
     ROUTER_UNSIGNED,
     PLUGIN,
+    /** unused */
     GEOIP,
+    /** unused */
     BLOCKLIST,
+    /** unused */
     RESEED,
+    /** unused */
     HOMEPAGE,
-    ADDRESSBOOK
+    /** unused */
+    ADDRESSBOOK,
+    /** @since 0.9.9 */
+    ROUTER_SIGNED_SU3
 }