* support reset to parent revision for Added files too
* support reset to parent revision in Files tab
* support reset to parent revision in Changes - now supports Renamings too
now it behaves more like git-extensions
* remove dotnet-tool.json because the project does not rely on any dotnet tools.
* remove Directory.Build.props because the solution has only one project.
* move src/SourceGit to src. It's not needed to put all sources into a subfolder of src since there's only one project.