ShellExtensionSettingsPage: add simple preview for context menu items
Merge branch 'pr/n1661_feinstaub'
Rename Setting class to AppSettings to help separate application settings from repository settings.
Run macro to remove unused and sort using statements on all cs files.
Submodule GitExtensionsTest updated

Submodule GitExtensionsTest:
    > e8dc409 - Run macro to remove unused and sort using statements on all cs files.