Fix javadoc errors/warnings

By: Celtic Minstrel <celtic.minstrel.ca@some.place>

paper-api/src/main/java/org/bukkit/plugin/InvalidPluginException.java

@@ -35,7 +35,7 @@ public class InvalidPluginException extends Exception {
     /**
      * Constructs a new InvalidPluginException with the specified detail message
      *
-     * @param the detail message. The detail message is saved for later retrieval by the getMessage() method.
+     * @param message TThe detail message is saved for later retrieval by the getMessage() method.
      */
     public InvalidPluginException(final String message) {
         super(message);

paper-api/src/main/java/org/bukkit/plugin/PluginLogger.java

@@ -5,17 +5,17 @@ import java.util.logging.LogRecord;
 import java.util.logging.Logger;
 
 /**
- * The PluginLogger class is a modified {@link java.util.logging.Logger} that prepends all logging calls with the name of the
- * plugin doing the logging.
+ * The PluginLogger class is a modified {@link Logger} that prepends all logging calls with the name of the
+ * plugin doing the logging. The API for PluginLogger is exactly the same as {@link Logger}.
  *
- * The API for PluginLogger is exactly the same as {@link java.util.logging.Logger}.
+ * @see Logger
  */
 public class PluginLogger extends Logger {
     private String pluginName;
 
     /**
      * Creates a new PluginLogger that extracts the name from a plugin.
-     * @param context
+     * @param context A reference to the plugin
      */
     public PluginLogger(Plugin context) {
         super(context.getClass().getCanonicalName(), null);

paper-api/src/main/java/org/bukkit/plugin/PluginManager.java

@@ -92,7 +92,6 @@ public interface PluginManager {
      * Calls an event with the given details
      *
      * @param event Event details
-     * @return Called event
      */
     public void callEvent(Event event);
 

paper-api/src/main/java/org/bukkit/plugin/RegisteredListener.java

@@ -51,6 +51,7 @@ public class RegisteredListener {
      * Calls the event executor
      *
      * @param event The event
+     * @throws EventException If an event handler throws an exception.
      */
     public void callEvent(final Event event) throws EventException {
         if (event instanceof Cancellable){

paper-api/src/main/java/org/bukkit/plugin/messaging/Messenger.java

@@ -64,7 +64,7 @@ public interface Messenger {
      * @param plugin Plugin that wishes to register to this channel.
      * @param channel Channel to register.
      * @param listener Listener to receive messages on.
-     * @returns The resulting registration that was made as a result of this method.
+     * @return The resulting registration that was made as a result of this method.
      * @throws IllegalArgumentException Thrown if plugin, channel or listener is null, or the listener is already registered for this channel.
      */
     public PluginMessageListenerRegistration registerIncomingPluginChannel(Plugin plugin, String channel, PluginMessageListener listener);