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

modules/websocket/wsl_server.cpp

@@ -31,8 +31,8 @@
 #ifndef JAVASCRIPT_ENABLED
 
 #include "wsl_server.h"
+#include "core/config/project_settings.h"
 #include "core/os/os.h"
-#include "core/project_settings.h"
 
 WSLServer::PendingPeer::PendingPeer() {
 	use_ssl = false;