Use the newest connect-fonts and connect-fonts-opensans

* Fix the problem with Russian (ru) using the default font. It now uses Cyrillic
* Add Swedish (sv)
* Add Slovak (sl)
* Re-alias Portuguese (pt) to Spanish (es)
* Make sure Brazillian Portuguese (pt_BR) uses Spanish (es)
Merge pull request #3031 from shane-tomlinson/issue_3029_font_locale_updates

Use the newest connect-fonts and connect-fonts-opensans