Fixing Issues...

- #672 (default user:// in $HOME/.godot/app_userdata (linux/osx) and $APPDATA/Godot/app_userdata (Windows)
- #676 (draw both tiles and octants in order from top to bottom, left to right )
- #686 (unicode escape sequences work now)
- #702 (was not a bug, but a test was added to see if bodies went too far away)

tools/editor/plugins/spatial_editor_plugin.h

@@ -222,6 +222,7 @@ public:
 	void set_can_preview(Camera* p_preview);
 	void set_state(const Dictionary& p_state);
 	Dictionary get_state() const;
+	void reset();
 
 
 
@@ -477,6 +478,7 @@ public:
 
 	Camera *get_camera() { return NULL; }
 	void edit(Spatial *p_spatial);
+	void clear();
 	SpatialEditor(EditorNode *p_editor);
 	~SpatialEditor();
 };
@@ -502,6 +504,7 @@ public:
 
 	virtual Dictionary get_state() const;
 	virtual void set_state(const Dictionary& p_state);
+	virtual void clear() { spatial_editor->clear(); }
 
 
 	SpatialEditorPlugin(EditorNode *p_node);