moved from Freenode to Libera

.travis.yml

@@ -12,8 +12,8 @@ script: xvfb-run -e /dev/stdout -a ant test
 notifications:
   irc:
     channels:
-      - "chat.freenode.net#arianne"
-      - "chat.freenode.net#arianne-devel"
+      - "irc.libera.chat#arianne"
+      - "irc.libera.chat#arianne-devel"
     on_success: change
     on_failure: change
     use_notice: false

doc/CHANGES.txt

@@ -2929,7 +2929,6 @@ Aug 14, 2006
 - admins / game masters
   - /supportanswer <player> <text> admin command replys to <player> and all players with support-adminlevel
   - (*) Inspect, (*) Destroy and /alter #12345 can be used on items
-  - /support and /supportanswer can now be forwarded to irc://irc.freenode.net/#arianne-support
   - added a new jail map
   - admins can summon lots of monsters with /script plague.groovy 1 rat
   - admins can create signs using /script adminsign.groovy

src/games/stendhal/server/maps/quests/MeetIo.java

@@ -125,7 +125,7 @@ private void prepareIO() {
 			ConversationPhrases.YES_MESSAGES,
 			null,
 			ConversationStates.INFORMATION_5,
-			"Type #/support #<message> to report a problem. You can also try the IRC channel ##arianne on #'irc.freenode.net'. There is a web frontend at #https://stendhalgame.org/development/chat.html \nOkay, time for your last lesson in mental manipulation!",
+			"Type #/support #<message> to report a problem. You can also try the IRC channel ##arianne on #'irc.libera.chat'. There is a web frontend at #https://stendhalgame.org/development/chat.html \nOkay, time for your last lesson in mental manipulation!",
 			null);
 
 		npc.add(