apm-application-toolkit org.skywalking 5.0-2018-preview 4.0.0 apm-toolkit-logback-1.x ch.qos.logback logback-classic 1.1.7 provided org.apache.maven.plugins maven-source-plugin attach-sources none jar 2.4 bintray-wu-sheng-sky-walking-repository wu-sheng-sky-walking-repository https://api.bintray.com/maven/wu-sheng/skywalking/org.skywalking.apm-toolkit-logback-1.x/;publish=1