Add missing OnOpenURLFromTab implementation

Update in prep for 41.0.1 release

Now that `OnLoadStart` and `OnLoadEnd` simply fire event handlers rem…

…ove the locking

Conflicts:
	CefSharp.Core/Internals/ClientAdapter.h

Upgrade version numbers and packages version for 41.0.0 (3.2272.32)

Merge pull request cefsharp#1049 from Antonyo/master

Make SourceHook virtual for Wpf ChromiumWebBrowser

Set no_sandbox = true

Still logs a `Running without renderer sandbox` message, hopefully one day it'll work

Upgrade build.ps1 to use 3.2171.2069 (will have to rebuild `39.0.0` p…

…ackages)

Updated to reflect release of 37.0.1

Add UserAgent example

1.25.8 coming up.