Support logback 1.6.x in the logback toolkit layouts - #837

Support logback 1.6.x in the logback toolkit layouts#837

wu-sheng merged 2 commits into

mainapache/skywalking-java:mainfrom

fix/logback-1.6-converter-registryapache/skywalking-java:fix/logback-1.6-converter-registryCopy head branch name to clipboard