Merge remote-tracking branch 'github/master'
improve clGetExtensionFunctionAddress{,ForPlatform} we have a structure with all function names and their address. It was used in clGetExtensionFunctionAddress (no need to list all function to check) Using it in clGetExtensionFunctionAddressForPlatform (as in clGetExtensionFunctionAddress)
Remove 2.0 OpenCL headers 2.1 are available (and can generate 2.0 ICD Loader) Note: before generating a 2.1 ICD Loader, we need a 2.1 compliant ICD in order to discover new functions order in the dispatch table