propagate from branch 'i2p.i2p' (head 2da3b585b42d058e25909bc303d72277ae2463b5)

to branch 'i2p.i2p.zzz.update' (head ebbad994215dc2822e9a1776399864ed77a0e5a0)

core/java/src/net/i2p/I2PAppContext.java

@@ -26,6 +26,7 @@ import net.i2p.data.Base64;
 import net.i2p.data.RoutingKeyGenerator;
 import net.i2p.internal.InternalClientManager;
 import net.i2p.stat.StatManager;
+import net.i2p.update.UpdateManager;
 import net.i2p.util.Clock;
 import net.i2p.util.ConcurrentHashSet;
 import net.i2p.util.FileUtil;
@@ -991,4 +992,13 @@ public class I2PAppContext {
             _simpleTimer2Initialized = true;
         }
     }
+
+    /**
+     *  The controller of router, plugin, and other updates.
+     *  @return always null in I2PAppContext, the update manager if in RouterContext and it is registered
+     *  @since 0.9.2
+     */
+    public UpdateManager updateManager() {
+        return null;
+    }
 }