ndc.cxx: Remove try/catch from NDC's functions. Let the exceptions propagate. Improve DiagnosticContext initialization.
ndc.cxx: Remove try/catch from NDC's functions. Let the exceptions propagate.
Improve DiagnosticContext initialization.

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