Change log.trace to only use String as parameter.

[saliabbasraza]

Log.trace with String and Object as parameter is niether available in Commons Log4jLogger class nor in slfj4j LocationAwareLogger class. So it has become difficult to extend this class.

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.
_{You have signed the CLA already but the status is still pending? Let us recheck it.}

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.
_{You have signed the CLA already but the status is still pending? Let us recheck it.}