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/gdnative/pluginscript/pluginscript_instance.cpp

@@ -32,7 +32,7 @@
 
 // Godot imports
 #include "core/os/os.h"
-#include "core/variant.h"
+#include "core/variant/variant.h"
 
 // PluginScript imports
 #include "pluginscript_language.h"

modules/gdnative/pluginscript/pluginscript_instance.h

@@ -32,7 +32,7 @@
 #define PLUGINSCRIPT_INSTANCE_H
 
 // Godot imports
-#include "core/script_language.h"
+#include "core/object/script_language.h"
 
 // PluginScript imports
 #include <pluginscript/godot_pluginscript.h>

modules/gdnative/pluginscript/pluginscript_language.cpp

@@ -29,9 +29,9 @@
 /*************************************************************************/
 
 // Godot imports
+#include "core/config/project_settings.h"
 #include "core/os/file_access.h"
 #include "core/os/os.h"
-#include "core/project_settings.h"
 // PluginScript imports
 #include "pluginscript_language.h"
 #include "pluginscript_script.h"

modules/gdnative/pluginscript/pluginscript_language.h

@@ -34,9 +34,9 @@
 // Godot imports
 #include "core/io/resource_loader.h"
 #include "core/io/resource_saver.h"
-#include "core/map.h"
-#include "core/script_language.h"
-#include "core/self_list.h"
+#include "core/object/script_language.h"
+#include "core/templates/map.h"
+#include "core/templates/self_list.h"
 // PluginScript imports
 #include "pluginscript_loader.h"
 #include <pluginscript/godot_pluginscript.h>

modules/gdnative/pluginscript/pluginscript_loader.h

@@ -34,7 +34,7 @@
 // Godot imports
 #include "core/io/resource_loader.h"
 #include "core/io/resource_saver.h"
-#include "core/script_language.h"
+#include "core/object/script_language.h"
 
 class PluginScriptLanguage;
 

modules/gdnative/pluginscript/pluginscript_script.h

@@ -32,7 +32,7 @@
 #define PLUGINSCRIPT_SCRIPT_H
 
 // Godot imports
-#include "core/script_language.h"
+#include "core/object/script_language.h"
 // PluginScript imports
 #include "pluginscript_language.h"
 #include <pluginscript/godot_pluginscript.h>

modules/gdnative/pluginscript/register_types.cpp

@@ -30,11 +30,11 @@
 
 #include "register_types.h"
 
+#include "core/config/project_settings.h"
 #include "core/io/resource_loader.h"
 #include "core/io/resource_saver.h"
 #include "core/os/dir_access.h"
 #include "core/os/os.h"
-#include "core/project_settings.h"
 #include "scene/main/scene_tree.h"
 
 #include "pluginscript_language.h"