#225 enable logging to different streams

1st step for #225 enable logging to different streams. The next step is to support application history based on this work.

Please first review this work.

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you can write as this:
LOG = {
+    LogUtil.loadConfiguration(ProcessType.LOCAL)
+    //delay creation of LOG instance to avoid creating an empty log file as we reset the log file name here
+    LOG = LogUtil.getLogger(getClass)
+}