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,
Author details should be also submitted, for example:

- Patrick’s bio: [authors/patrick-lauke.jpg](https://github.com/operasoftware/devopera/blob/master/authors/_posts/2014-01-01-patrick-lauke.md)
- Patrick’s photo: [authors/_posts/2014-01-01-patrick-lauke.md](https://github.com/operasoftware/devopera/blob/master/authors/patrick-lauke.jpg) 256×256