trying to convince commons-logging to use JDK logging to avoid memory leak when hudson is reloaded.

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@3225 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/resources/META-INF/services/org.apache.commons.logging.LogFactory

+org.apache.commons.logging.impl.Jdk14Logger
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