Merge pull request cefsharp#1444 from amaitland/feature/preferences

Implement Change Preferences at Runtime.

Merge pull request cefsharp#1491 from cefsharp/feature/build-with-vs2013

Adjustments to make it possible to build CefSharp v37 using VS2013:

Add CefExecuteProcess as Cef.ExecuteProcess - useful for implementing…

… your own very minimal browser without the custom subprocess

Add cefsharp/45 branch

always create the offscreen browser using the instance settings, requ…

…est context and address

Add small section about upgrading to 43.0.x in NuGet/Readme.txt

Add using(callback) so dispose is called in the event of an exception

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