Add support for C++11 on Mac
Add support for C++11 on Mac

papandreou/sharp,kevinsawicki/sharp,mhirsch/sharp,philip8728/sharp,mdimitrov/sharp,leiyangyou/sharp,digital-flowers/sharp-win32,mcanthony/sharp,digital-flowers/sharp-win32,kevinsawicki/sharp,cmtt/sharp,mcanthony/sharp,leiyangyou/sharp,cmtt/sharp,lovell/sharp,philip8728/sharp,philip8728/sharp,lovell/sharp,pporada-gl/sharp,brandonaaron/sharp,pporada-gl/sharp,philip8728/sharp,pporada-gl/sharp,dtest/sharp,leiyangyou/sharp,lovell/sharp,kevinsawicki/sharp,papandreou/sharp,papandreou/sharp,philip8728/sharp,dtest/sharp,dtest/sharp,digital-flowers/sharp-win32,brandonaaron/sharp,cmtt/sharp,digital-flowers/sharp-win32,pporada-gl/sharp,brandonaaron/sharp,brandonaaron/sharp,mcanthony/sharp,mdimitrov/sharp,leiyangyou/sharp,chrisriley/sharp,lovell/sharp,mdimitrov/sharp,chrisriley/sharp,chrisriley/sharp,mdimitrov/sharp,cmtt/sharp,pporada-gl/sharp,brandonaaron/sharp,lovell/sharp,dtest/sharp,kevinsawicki/sharp,lovell/sharp,mcanthony/sharp,papandreou/sharp,mcanthony/sharp,chrisriley/sharp,kevinsawicki/sharp,papandreou/sharp,mhirsch/sharp,leiyangyou/sharp,mdimitrov/sharp,digital-flowers/sharp-win32,digital-flowers/sharp-win32,digital-flowers/sharp-win32,mhirsch/sharp,chrisriley/sharp,dtest/sharp,mhirsch/sharp