Register fullscreen and skybox mesh when example boots.

Signed-off-by: John McCutchan <john@johnmccutchan.com>
Respect geometry-path attribute on mesh tag.

Signed-off-by: John McCutchan <john@johnmccutchan.com>
Don't automatically call _generateMipmap

Signed-off-by: John McCutchan <john@johnmccutchan.com>
Fix example title.

Signed-off-by: John McCutchan <john@johnmccutchan.com>
Cube map example.

Signed-off-by: John McCutchan <john@johnmccutchan.com>