Switch from Nz prefix to namespace Nz

What a huge commit


Former-commit-id: 38ac5eebf70adc1180f571f6006192d28fb99897

include/Nazara/Utility/WindowHandle.hpp

@@ -9,15 +9,18 @@
 
 #include <Nazara/Prerequesites.hpp>
 
-#if defined(NAZARA_PLATFORM_WINDOWS)
-// http://msdn.microsoft.com/en-us/library/aa383751(v=vs.85).aspx
-typedef void* NzWindowHandle;
-#elif defined(NAZARA_PLATFORM_LINUX)
-#include <xcb/xcb.h>
-// http://en.wikipedia.org/wiki/Xlib#Data_types
-using NzWindowHandle = xcb_window_t;
-#else
-	#error Lack of implementation: WindowHandle
-#endif
+namespace Nz
+{
+	#if defined(NAZARA_PLATFORM_WINDOWS)
+	// http://msdn.microsoft.com/en-us/library/aa383751(v=vs.85).aspx
+	typedef void* WindowHandle;
+	#elif defined(NAZARA_PLATFORM_LINUX)
+	#include <xcb/xcb.h>
+	// http://en.wikipedia.org/wiki/Xlib#Data_types
+	using WindowHandle = xcb_window_t;
+	#else
+		#error Lack of implementation: WindowHandle
+	#endif
+}
 
 #endif // NAZARA_WINDOWHANDLE_HPP