Updated changelog.
Settings fixed for VS plugin and shell extension.

* Duplicate context menu items for shared folder. Closes #1987
* VS plugin reading settings fixed. Closes #1935
* Option added that restore old shell extension behaviour. Closes #1821
Merge branch 'release/2.47'

Conflicts:
	GitCommands/Settings/AppSettings.cs
	GitExtensions/Program.cs
	GitPlugin/Git/GitCommands.cs
	GitUI/CommandsDialogs/SettingsDialog/Pages/ShellExtensionSettingsPage.cs