Add (incomplete) Russian localization by Gordon

 * Source: http://forums.fortress-forever.com/showpost.php?p=462871&postcount=101

* Once #7 is merged, Cyrillic characters seem to work fine
* Not sure why Github detects these files as binary; they do need to be encoded in UTF-16 LE with BOM, so that might be it, but it might also be due to the blank .gitattributes file. I ain't know.