[MNG-7259] Route logs from commons-logging to slf4j

**[Slawomir Jaranowski](https://issues.apache.org/jira/secure/ViewProfile.jspa?name=slawekjaranowski)** opened **[MNG-7259](https://issues.apache.org/jira/browse/MNG-7259?redirect=false)** and commented

There is `jcl-over-slf4j.jar` already in maven distribution so it will be enough export `org.apache.commons.logging` package and `commons-logging` artifacts.

According to this logs from `commons-logging` will be processed by currently used `slf4j`.

There are many library [1] that use `commons-loging` so probability that it will be on plugin classpath is high.

[1] https://mvnrepository.com/artifact/commons-logging/commons-logging/usages

---
No further details from [MNG-7259](https://issues.apache.org/jira/browse/MNG-7259?redirect=false)