Modified initializeLog4cplus() so that it can safely be called multiple times.
Modified initializeLog4cplus() so that it can safely be called multiple
times.

hunter-packages/log4cplus,ccpaging/log4cplus,csuideal/log4cplus,ccpaging/log4cplus,ccpaging/log4cplus,hunter-packages/log4cplus,csuideal/log4cplus,hunter-packages/log4cplus,hunter-packages/log4cplus,ccpaging/log4cplus,csuideal/log4cplus,csuideal/log4cplus