- Some underlying features for RTTI

- Macro for automatically generating this_t
 - Semantics with static_constructor.h, now FENNEC_PRIVATE_STATIC_CONSTRUCTOR for .cpp files and FENNEC_CLASS_STATIC_CONSTRUCTOR for a class in any source file type.

cmake/linux.cmake

@@ -34,6 +34,9 @@ macro(fennec_check_platform)
     )
 
     if(FENNEC_USER_CLIENT)
+        include("${FENNEC_SOURCE_DIR}/cmake/wayland.cmake")
+
+        fennec_check_wayland()
         fennec_init_graphics()
     endif()