Pulling all pending Bukkit-JavaDoc changes

A special thanks goes to @aerouk for almost all of the changes found here.

By: Wesley Wolfe <weswolf@aol.com>

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

@@ -3,7 +3,8 @@ package org.bukkit.plugin;
 /**
  * Represents a base {@link Plugin}
  * <p>
- * Extend this class if your plugin is not a {@link org.bukkit.plugin.java.JavaPlugin}
+ * Extend this class if your plugin is not a {@link
+ * org.bukkit.plugin.java.JavaPlugin}
  */
 public abstract class PluginBase implements Plugin {
     @Override