README updates

Signed-off-by: Ceki Gulcu <ceki@qos.ch>

README.md

@@ -2,31 +2,34 @@
 
 The Simple Logging Facade for Java (SLF4J) serves as a simple facade
 or abstraction for various logging frameworks (e.g. java.util.logging,
-logback, reload4j, log4j 2.x) allowing the end user to plug in the desired logging
-framework at deployment time.
+logback, reload4j, log4j 2.x, logevents, penna, rainbowgum, tinylog)
+allowing the end user to plug in the desired logging framework at
+deployment time.
 
 More information can be found on the [SLF4J website](http://www.slf4j.org).
 
-# Build Status
-[![Build Status](https://travis-ci.org/qos-ch/slf4j.svg)](https://travis-ci.org/qos-ch/slf4j)
-
 # Search org.slf4j artifacts on Maven Central
 [![Maven Central](https://img.shields.io/badge/Search%20org%2Eslf4j%20artifacts%20on%20Maven%20Central-2.0.x-green)](https://search.maven.org/search?q=g:org.slf4j%20AND%20v:2.0.%3F) 
 
 
 # In case of problems
 
 In case of problems please do not hesitate to post an e-mail message
-on the slf4j-user@qos.ch mailing list.  However, please do not
-directly e-mail SLF4J developers. The answer to your question might
-be useful to other users. Moreover, there are many knowledgeable users
-on the slf4j-user mailing lists who can quickly answer your
-questions.
+on the <a
+href="https://mailman.qos.ch/cgi-bin/mailman/listinfo/slf4j-user">slf4j-user@qos.ch</a>
+mailing list or to start a <a
+href="https://github.com/qos-ch/slf4j/discussions">discussion</a> on
+github.  However, please do not directly e-mail SLF4J developers. The
+answer to your question might be useful to other users. Moreover,
+there are many knowledgeable users on the slf4j-user mailing lists who
+can quickly answer your questions.
 
 # Urgent issues
 
-For urgent issues do not hesitate to [champion a release](https://github.com/sponsors/qos-ch/sponsorships?tier_id=77436).
-In principle, most championed issues are solved within 3 business days ensued by a release.
+For urgent issues do not hesitate to [champion a
+release](https://github.com/sponsors/qos-ch/sponsorships?tier_id=77436).
+In principle, most championed issues are solved within 3 business days
+ensued by a release.
 
 # How to build SLF4J