AppVeyor workspace restore for the nBuildKit delivery build.

AppVeyor_nBuildKit_Deploy_RestoreWorkspace.ps1

# Halt immediately if there is a problem
$ErrorActionPreference = "Stop"
 
"PATH is: "
$env:Path
 
"GitHub-release environment variable is: "
$env:GitHubReleasePath
 
$currentDir = $pwd
$projectDir = "c:\projects"
$scriptDir = "c:\projects\scripts"
 
$branchToDeploy = $env:BranchToDeploy
# Restore artifacts
try
{
    & $scriptDir\src\ps\appveyor-deploy-restore-nbuildkit-workspace.ps1 `
        -scriptPath $scriptDir `
        -projectPath $projectDir `
        -accountName pvandervelde `
        -projectToDeploy nbuildkit `
        -branchToDeploy $branchToDeploy `
        -artifactsToDeploy build\deploy\nBuildKit.MsBuild._#version#_.nupkg,build\deploy\nBuildKit.MsBuild.Projects.CSharp._#version#_.nupkg,build\deploy\nBuildKit.MsBuild.Projects.WiX._#version#_.nupkg,build\deploy\nbuildkit.msbuild.samples-_#version#_.zip,build\temp\releasenotes_full.md,build\temp\releasenotes_short.md
}
finally
{
    sl $currentDir
}