Add translation of languages into Russian language

src/locale/ru/LC_MESSAGES/django.po

@@ -546,27 +546,27 @@ msgstr "Пользователи"
 
 #: project/settings.py:115
 msgid "English"
-msgstr ""
+msgstr "Английский"
 
 #: project/settings.py:116
 msgid "German"
-msgstr ""
+msgstr "Немецкий"
 
 #: project/settings.py:117
 msgid "French"
-msgstr ""
+msgstr "Французский"
 
 #: project/settings.py:118
 msgid "Russian"
-msgstr ""
+msgstr "Русский"
 
 #: project/settings.py:119
 msgid "Japanese"
-msgstr ""
+msgstr "Японский"
 
 #: project/settings.py:120
 msgid "Spanish"
-msgstr ""
+msgstr "Испанский"
 
 #: scoreboard/templates/scoreboard/scoreboard.html:38
 msgid "First"