Reorganized core/ directory, it was too fatty already

-Removed FuncRef, since Callable makes it obsolete
-Removed int_types.h as its obsolete in c++11+
-Changed color names code

scene/resources/resource_format_text.cpp

@@ -30,9 +30,9 @@
 
 #include "resource_format_text.h"
 
+#include "core/config/project_settings.h"
 #include "core/io/resource_format_binary.h"
 #include "core/os/dir_access.h"
-#include "core/project_settings.h"
 #include "core/version.h"
 
 //version 2: changed names for basis, aabb, Vectors, etc.