Console: Mark LS1 encrypted leasesets as deprecated

also add notes to javadocs for the KeyRing class used to store the keys

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

@@ -864,7 +864,11 @@ public class I2PAppContext {
     }
     
     /**
-     * Basic hash map
+     *  Basic hash map for LS1
+     *
+     *  Deprecated -
+     *  This is for the deprecated LS1 AES encrypted leasesets only.
+     *  LS2 encrypted leaseset data are stored in netdb BlindCache and router.blindcache.dat.
      */
     public KeyRing keyRing() {
         if (!_keyRingInitialized)

core/java/src/net/i2p/util/KeyRing.java

@@ -9,7 +9,11 @@ import net.i2p.data.Hash;
 import net.i2p.data.SessionKey;
 
 /**
- *  simple
+ *  See net.i2p.router.PersistentKeyRing for extension.
+ *
+ *  Deprecated -
+ *  This is for the deprecated LS1 AES encrypted leasesets only.
+ *  LS2 encrypted leaseset data are stored in netdb BlindCache and router.blindcache.dat.
  */
 public class KeyRing extends ConcurrentHashMap<Hash, SessionKey> {
     public KeyRing() {