expose SendMouseWheelEvent
Merge branch 'expose_SendMouseWheel' of https://github.com/Octopus-ITSM/CefSharp
Add SendMouseWheelEvent to WPF Control
Add SendMouseWheelEvent to IWebBrowser with xml comment
Merge pull request #596 from amaitland/feature/SendMouseWheelEvent

Send MouseWheel events with WPF support
Merge branch 'feature/offscreen-render' of https://github.com/numbersint/CefSharp into feature/offscreen-render