added ru translation

conf/locale/ru/LC_MESSAGES/messages.po

+# edX translation file
+# Copyright (C) 2013 edX
+# This file is distributed under the GNU AFFERO GENERAL PUBLIC LICENSE.
+# 
+# Translators:
+# viktoria <viktoria@cde.ifmo.ru>, 2013
+msgid ""
+msgstr ""
+"Project-Id-Version: edx-platform\n"
+"Report-Msgid-Bugs-To: translation_team@edx.org\n"
+"POT-Creation-Date: 2013-05-02 13:13-0400\n"
+"PO-Revision-Date: 2013-07-23 11:20+0000\n"
+"Last-Translator: viktoria <viktoria@cde.ifmo.ru>\n"
+"Language-Team: Russian "
+"(http://www.transifex.com/projects/p/edx-platform/language/ru/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: ru\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && "
+"n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
+
+# empty
+msgid "This is a key string."
+msgstr "Это ключевая строка."