PKG: fixes for boost and shark build with cxx11

CMake/OTBCheckCpp11Keywords.cmake

CMake/otbCheckCXX11.cpp

CMake/otbTestNullPtr.cpp

CMake/otbTestOverride.cpp

CMake/otbTestUniquePtr.cpp

Modules/Adapters/GdalAdapters/test/CMakeLists.txt

Modules/ThirdParty/Boost/CMakeLists.txt

Modules/ThirdParty/MuParserX/CMakeLists.txt

SuperBuild/CMake/External_boost.cmake

SuperBuild/CMake/External_curl.cmake

SuperBuild/CMake/External_gdal.cmake

SuperBuild/CMake/External_otb.cmake

SuperBuild/CMake/External_shark.cmake

SuperBuild/CMake/SuperBuild_Macro.cmake

SuperBuild/CMakeLists.txt

SuperBuild/patches/BOOST/CMakeLists.txt

SuperBuild/patches/BOOST/boost-1-fix-macx.diff