Add AppVeyor configuration.
Add package version template.
Update nuspec file.
Fix package version generation.
Update build definition.
Try to set the build version from Powershell.
Fix mistake
Add '-pre' suffix to version when the branch is not 'release'
Add '-pre$buildNumber' suffix to version when the branch is not 'release'
Deploy to NuGet.org on release branch
Merge branch 'temp-appveyor-integration'