TV articles change

- Removed obsolete article about TV Emulator (new one is published already),
- Extended article with info about supported adaptive bitrate streaming and drm formats in the TV Store,
Like this?

```
	<video controls="">
		<source type="application/vnd.apple.mpegurl" 
			src="http://example.com/videofile.m3u8"></source>
	</video>
```