Fix Russian Federation instead Russia and fix and add RU.yml subdivisions translation 

1) Fix Russian Federation in country translation not Russia
2) Add new one and remove old subdivisions
3) Add translation for subdivisions like:

```yaml
YAR:
  name: Yaroslavskaya oblast'
  names:
  - Jaroslavskaja Oblast
  - Jaroslavl
  translations: "Ярославская область"
```

```ruby
c = Country['RU']
c.subdivisions.each do |e|
  puts e[1]['translations']
end
```