Add embed service

### Examples

#### File list (fw144dr9680) `repository file`
![fw144dr9680-embed](https://cloud.githubusercontent.com/assets/96776/5447326/f59574ec-8480-11e4-85be-b64dab66fcb3.png)

#### Image (zf020rd0035) `repository image`
![zf020rd0035-embed](https://cloud.githubusercontent.com/assets/96776/5447325/f591e264-8480-11e4-80d9-2f407a810f8f.png)

#### Image (9131116) `repository/catalog merged image`
![9131116-embed](https://cloud.githubusercontent.com/assets/96776/5447327/f596e304-8480-11e4-9cb5-5b18df8e10df.png)