Switch official IRC channel to Libera Chat, in light of recent Freenode issues

Author: phuzion

.travis.yml

@@ -45,6 +45,6 @@ script:
 notifications: 
   irc: 
     channels: 
-      - "chat.freenode.net#huggle"
+      - "irc.libera.chat#huggle"
     on_failure: always
     on_success: change

CODE_OF_CONDUCT.md

@@ -34,7 +34,7 @@ This Code of Conduct applies both within project spaces and in public spaces whe
 
 ## Enforcement
 
-Instances of abusive, harassing, or otherwise unacceptable behavior may be reported by contacting the project team at huggle@lists.wikimedia.org (public mailing list), IRC channel #huggle at freenode or by directly contacting the project maintainers, see https://meta.wikimedia.org/wiki/Huggle/Members for list of admins. The project team will review and investigate all complaints, and will respond in a way that it deems appropriate to the circumstances. The project team is obligated to maintain confidentiality with regard to the reporter of an incident. Further details of specific enforcement policies may be posted separately.
+Instances of abusive, harassing, or otherwise unacceptable behavior may be reported by contacting the project team at huggle@lists.wikimedia.org (public mailing list), IRC channel #huggle at Libera Chat or by directly contacting the project maintainers, see https://meta.wikimedia.org/wiki/Huggle/Members for list of admins. The project team will review and investigate all complaints, and will respond in a way that it deems appropriate to the circumstances. The project team is obligated to maintain confidentiality with regard to the reporter of an incident. Further details of specific enforcement policies may be posted separately.
 
 Project maintainers who do not follow or enforce the Code of Conduct in good faith may face temporary or permanent repercussions as determined by other members of the project's leadership.
 

README.md

@@ -77,7 +77,7 @@ For users: [on metawiki](https://meta.wikimedia.org/wiki/Huggle) and [mediawiki]
 Getting help
 =========
 
-We have an IRC-channel irc://chat.freenode.org/#huggle so if you need any kind of help please go there.
+We have an IRC-channel irc://irc.libera.chat/#huggle so if you need any kind of help please go there.
 
 Contributing
 =========

src/huggle_core/generic.cpp

@@ -171,7 +171,7 @@ QString Generic::ShrinkText(const QString &text, int size, bool html, int minimu
 
 QString Generic::IRCQuitDefaultMessage()
 {
-    return "Huggle (" + hcfg->HuggleVersion + "), the anti vandalism software. See #huggle on irc://chat.freenode.net";
+    return "Huggle (" + hcfg->HuggleVersion + "), the anti vandalism software. See #huggle on irc://irc.libera.chat";
 }
 
 QString Generic::HtmlEncode(const QString& text)