Fix 2 errors
1. Wrong object property use in method "request"
2. Odnoklassniki does not return "expires_in" value, 30 min. expire time stated in docs (http://apiok.ru/wiki/pages/viewpage.action?pageId=42476652, russian)
Merge pull request #151 from pavlyuts/Odnoklassniki_fix

Fix 2 errors with Odnoklassniki.ru