allow user to omit variadic arguments in LOG4CPLUS_*_FMT
allow user to omit variadic arguments in LOG4CPLUS_*_FMT

csuideal/log4cplus,csuideal/log4cplus,ccpaging/log4cplus,ccpaging/log4cplus,csuideal/log4cplus,ccpaging/log4cplus,ccpaging/log4cplus,csuideal/log4cplus