-updated README.md

-fixed shaders for GL2
-added Entity selection tool
-throw out tools from "Demo" window to "Tools" window
-change ComboBox to Tabs for Tools
-Added more verbose tips
-Improved and fixed BrickBreaker collisions
-fixed simple DUB issue

demos/utils/dub.json

@@ -16,7 +16,7 @@
 	],
 	"dependencies": {
 		"bindbc-sdl":"0.19.0",
-		"ecs":{"path":"../../"}
+		"bubel_ecs":{"path":"../../"}
 	},
 	"versions": [
 		"BindSDL_Image",

demos/utils/source/ecs_utils/gfx/shader.d

@@ -70,7 +70,7 @@ struct Shader
         
         version(WebAssembly)const char* glsl = "#version 100\n";
         else version(Android)const char* glsl = "#version 100\n";
-        else const char* glsl = "#version 330\n";
+        else const char* glsl = "#version 120\n";
         const char* buffer = data.code.ptr;
         char* ver;
         version(WebAssembly)ver = cast(char*)"#define ver1 1\n#define GLES\n".ptr;