javadoc fixes part 1 (ticket #1894)

core/java/src/net/i2p/client/I2PClient.java

@@ -47,7 +47,7 @@ public interface I2PClient {
     public static final SigType DEFAULT_SIGTYPE = SigType.DSA_SHA1;
 
     /**
-     * For router->client payloads.
+     * For router->client payloads.
      *
      * If false, the router will send the MessageStatus,
      * the client must respond with a ReceiveMessageBegin,

core/java/src/net/i2p/client/I2PSession.java

@@ -73,7 +73,7 @@ public interface I2PSession {
      * End-to-End Crypto is disabled, tags and keys are ignored!
      * 
      * Like sendMessage above, except the key used and the tags sent are exposed to the 
-     * application.  <p /> 
+     * application.  <p> 
      * 
      * If some application layer message delivery confirmation is used,
      * rather than i2p's (slow) built in confirmation via guaranteed delivery mode, the 
@@ -331,7 +331,7 @@ public interface I2PSession {
      *  Suggested implementation:
      *
      *<pre>
-     *  if (name.length() == 60 && name.toLowerCase(Locale.US).endsWith(".b32.i2p")) {
+     *  if (name.length() == 60 &amp;&amp; name.toLowerCase(Locale.US).endsWith(".b32.i2p")) {
      *      if (session != null)
      *          return session.lookup(Hash.create(Base32.decode(name.toLowerCase(Locale.US).substring(0, 52))));
      *      else

core/java/src/net/i2p/client/impl/I2PClientMessageHandlerMap.java

@@ -27,7 +27,7 @@ import net.i2p.data.i2cp.SetDateMessage;
  * @author jrandom
  */
 class I2PClientMessageHandlerMap {
-    /** map of message type id --> I2CPMessageHandler */
+    /** map of message type id --> I2CPMessageHandler */
     protected I2CPMessageHandler _handlers[];
 
     /** for extension */

core/java/src/net/i2p/client/impl/I2PSessionImpl.java

@@ -124,7 +124,7 @@ public abstract class I2PSessionImpl implements I2PSession, I2CPMessageReader.I2
 
     /** class that generates new messages */
     protected final I2CPMessageProducer _producer;
-    /** map of Long --> MessagePayloadMessage */
+    /** map of Long --> MessagePayloadMessage */
     protected Map<Long, MessagePayloadMessage> _availableMessages;
 
     /** hashes of lookups we are waiting for */

core/java/src/net/i2p/client/impl/I2PSessionMuxedImpl.java

@@ -34,17 +34,17 @@ import net.i2p.util.Log;
  * Therefore the compatibility situation is as follows:
  *
  * Compatibility:
- *    old streaming -> new streaming: sends proto anything, rcvs proto anything
- *    new streaming -> old streaming: sends PROTO_STREAMING, ignores rcvd proto
- *    old datagram -> new datagram: sends proto anything, rcvs proto anything
- *    new datagram -> old datagram: sends PROTO_DATAGRAM, ignores rcvd proto
+ *    old streaming -> new streaming: sends proto anything, rcvs proto anything
+ *    new streaming -> old streaming: sends PROTO_STREAMING, ignores rcvd proto
+ *    old datagram -> new datagram: sends proto anything, rcvs proto anything
+ *    new datagram -> old datagram: sends PROTO_DATAGRAM, ignores rcvd proto
  *    In all the above cases, streaming and datagram receive traffic for the other
  *    protocol, same as before.
  *
- *    old datagram -> new muxed: doesn't work because the old sends proto 0 but the udp side
+ *    old datagram -> new muxed: doesn't work because the old sends proto 0 but the udp side
  *                               of the mux registers with PROTO_DATAGRAM, so the datagrams
  *                               go to the streaming side, same as before.
- *    old streaming -> new muxed: works
+ *    old streaming -> new muxed: works
  *
  * Typical Usage:
  *    Streaming + datagrams:
@@ -421,7 +421,7 @@ class I2PSessionMuxedImpl extends I2PSessionImpl2 {
     /**
      *  No, we couldn't put any protocol byte in front of everything and
      *  keep backward compatibility. But there are several bytes that
-     *  are unused AND unchecked in the gzip header in releases <= 0.7.
+     *  are unused AND unchecked in the gzip header in releases &lt;= 0.7.
      *  So let's use 5 of them for a protocol and two 2-byte ports.
      *
      *  Following are all the methods to hide the