Update info: Translator++ Ver. 4.11.13

Ver. 4.11.13

• add Guide and link to the documentation for Import from Spreadsheet menu
• update Baidu ver. 0.3.1
• update Bing ver. 1.6 – Unified language DB support, more language support added
• update Kakao ver. 1.3 – Unified language DB support
• update PROMPT ver. 1.3 – Unified language DB support
• update Yandex ver. 1.3 – Unified language DB support.
• fix Yandex : Unable to translate if the text is same with previous translation
• fix Yandex : Added more language support
• update Watson ver. 0.2 – Unified language DB support.
• update RMRGSS parser ver. 2.7.9