analytical extensions methods

[stelloprint]

• [ ] Add analytics extension connection to site
• [ ] Delete analytics extension connection from site
• [ ] Remove current analytics extension connection for workbook
• [ ] Get analytics extension details
• [ ] List analytics extension connections on site
• [ ] Get enabled state of analytics extensions on server
• [ ] Get enabled state of analytics extensions on site
• [ ] List analytics extension connections of workbook
• [ ] Get current analytics extension for workbook
• [ ] Update analytics extension connection of site
• [ ] Enable or disable analytics extensions on server
• [ ] Update enabled state of analytics extensions on site
• [ ] Update analytics extension for workbook