README: Mention Intel's C++ compiler.
README: Mention Intel's C++ compiler.

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