Add samples InstanceExtensionProperties, InstanceLayerExtensionProperties, InstanceLayerProperties, MultipleSets (#320)

+ slightly adjust some other files.

samples/Events/CMakeLists.txt

@@ -34,6 +34,4 @@ add_executable(Events
 )
 
 set_target_properties(Events PROPERTIES FOLDER "Samples")
-target_include_directories(Events PUBLIC ${CMAKE_SOURCE_DIR}/glslang)
-target_link_libraries(Events PUBLIC glslang SPIRV "$ENV{VULKAN_SDK}/Lib/vulkan-1.lib"
-)
+target_link_libraries(Events PUBLIC "${Vulkan_LIBRARIES}")

samples/Events/Events.cpp

@@ -17,7 +17,6 @@
 
 #include "../utils/utils.hpp"
 #include "vulkan/vulkan.hpp"
-#include "SPIRV/GlslangToSpv.h"
 #include <iostream>
 
 static char const* AppName = "Events";