Switched to better RSS feed (#1264)

* switch to oracle rss feed

* refractor: javamail -> rss

* spotless apply

* fix json formatting

Author: pot

application/config.json.template

@@ -167,9 +167,9 @@
     "rssConfig": {
         "feeds": [
             {
-                "url": "https://wiki.openjdk.org/spaces/createrssfeed.action?types=page&types=comment&types=blogpost&types=mail&types=attachment&spaces=JDKUpdates&maxResults=15&title=%5BJDK+Updates%5D+All+Content+Feed&publicFeed=true",
+                "url": "https://blogs.oracle.com/java/rss",
                 "targetChannelPattern": "java-news-and-changes",
-                "dateFormatterPattern": "yyyy-MM-dd'T'HH:mm:ssX"
+                "dateFormatterPattern": "EEE, d MMM yyyy HH:mm:ss z"
             }
         ],
         "fallbackChannelPattern": "java-news-and-changes",

application/src/main/java/org/togetherjava/tjbot/features/Features.java

@@ -34,7 +34,6 @@
 import org.togetherjava.tjbot.features.help.HelpThreadMetadataPurger;
 import org.togetherjava.tjbot.features.help.MarkHelpThreadCloseInDBRoutine;
 import org.togetherjava.tjbot.features.help.PinnedNotificationRemover;
-import org.togetherjava.tjbot.features.javamail.RSSHandlerRoutine;
 import org.togetherjava.tjbot.features.jshell.JShellCommand;
 import org.togetherjava.tjbot.features.jshell.JShellEval;
 import org.togetherjava.tjbot.features.mathcommands.TeXCommand;
@@ -66,6 +65,7 @@
 import org.togetherjava.tjbot.features.projects.ProjectsThreadCreatedListener;
 import org.togetherjava.tjbot.features.reminder.RemindRoutine;
 import org.togetherjava.tjbot.features.reminder.ReminderCommand;
+import org.togetherjava.tjbot.features.rss.RSSHandlerRoutine;
 import org.togetherjava.tjbot.features.system.BotCore;
 import org.togetherjava.tjbot.features.system.LogLevelCommand;
 import org.togetherjava.tjbot.features.tags.TagCommand;

application/src/main/java/org/togetherjava/tjbot/features/javamail/RSSHandlerRoutine.java renamed to application/src/main/java/org/togetherjava/tjbot/features/rss/RSSHandlerRoutine.java

@@ -1,4 +1,4 @@
-package org.togetherjava.tjbot.features.javamail;
+package org.togetherjava.tjbot.features.rss;
 
 import com.apptasticsoftware.rssreader.Item;
 import com.apptasticsoftware.rssreader.RssReader;

application/src/main/java/org/togetherjava/tjbot/features/javamail/package-info.java renamed to application/src/main/java/org/togetherjava/tjbot/features/rss/package-info.java

@@ -3,7 +3,7 @@
  */
 @MethodsReturnNonnullByDefault
 @ParametersAreNonnullByDefault
-package org.togetherjava.tjbot.features.javamail;
+package org.togetherjava.tjbot.features.rss;
 
 import org.togetherjava.tjbot.annotations.MethodsReturnNonnullByDefault;