Add some javadoc

src/com/dmdirc/commandparser/commands/CommandModule.java

@@ -382,7 +382,7 @@ public class CommandModule {
 
     /**
      * Provides the /whois command.
-     * 
+     *
      * @param command The instantiated command.
      *
      * @return The command's details

src/com/dmdirc/commandparser/commands/server/Whois.java

@@ -39,7 +39,7 @@ import javax.annotation.Nonnull;
 import javax.inject.Inject;
 
 /**
- *
+ * Requests information about another user on the server.
  */
 @CommandOptions(allowOffline = false)
 public class Whois extends Command {

src/com/dmdirc/interfaces/Connection.java

@@ -416,6 +416,11 @@ public interface Connection {
      */
     Optional<String> getNickname();
 
+    /**
+     * Requests information about another user on the server.
+     *
+     * @param user User to request information about
+     */
     void requestUserInfo(User user);
 
 }