Excluding log4j
Removed spurious System.out.println
Merge pull request #348 from noelmarkham/master

Removed spurious System.out.println
Merge pull request #336 from quidryan/exclude-log4j

Excluding log4j, to fix #335
Revert log4j changes.  Will revisit later.
[Gradle Release Plugin] - pre tag commit:  '1.56.42'.
[Gradle Release Plugin] - new version commit:  '1.56.43-SNAPSHOT'.