Update dev_box (microsoft#49)

Update dev_app.ps1 to 
- UWP Workload
- Azure workload
- Windows Template Studio 
- disabling hyper-v and WSL for now since choco would throw errors (will investigate)

dev_app.ps1

@@ -4,6 +4,13 @@
 
 Disable-UAC
 
+#--- Windows Subsystems/Features ---
+#choco install -y Microsoft-Windows-Subsystem-Linux -source windowsfeatures
+#choco install -y Microsoft-Hyper-V-All -source windowsFeatures
+#choco install -y sysinternals
+#choco install -y docker-for-windows
+
+#--- Configuring Windows properties ---
 #--- Windows Features ---
 Set-WindowsExplorerOptions -EnableShowHiddenFilesFoldersDrives -EnableShowProtectedOSFiles -EnableShowFileExtensions
 
@@ -13,17 +20,53 @@ Set-ItemProperty -Path HKCU:\Software\Microsoft\Windows\CurrentVersion\Explorer\
 Set-ItemProperty -Path HKCU:\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced -Name LaunchTo -Value 1
 Set-ItemProperty -Path HKCU:\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced -Name MMTaskbarMode -Value 2
 
-#--- Windows Subsystems/Features ---
-choco install -y Microsoft-Hyper-V-All -source windowsFeatures
-choco install -y Microsoft-Windows-Subsystem-Linux -source windowsfeatures
+#--- Enabling developer mode on the system ---
+Set-ItemProperty -Path HKLM:\Software\Microsoft\Windows\CurrentVersion\AppModelUnlock -Name AllowDevelopmentWithoutDevLicense -Value 1
+
+#--- VS 2017 uwp and azure workloads + git tools ---
+# See this for install args: https://chocolatey.org/packages/VisualStudio2017Community
+# https://docs.microsoft.com/en-us/visualstudio/install/workload-component-id-vs-community 
+# https://docs.microsoft.com/en-us/visualstudio/install/use-command-line-parameters-to-install-visual-studio#list-of-workload-ids-and-component-ids
+choco install visualstudio2017community --package-parameters "--add Microsoft.VisualStudio.Workload.Azure --add Microsoft.VisualStudio.Component.Git"
+RefreshEnv
+
+choco install visualstudio2017-workload-universal
+
+#--- grabbing latest UWP Samples off Github ---
+RefreshEnv
+cd $env:USERPROFILE\desktop
+mkdir UwpSamples
+cd UwpSamples
+git clone https://github.com/Microsoft/Windows-universal-samples/
+
+# installing Windows Template Studio VSIX
+#choco was claiming dev 15 can't do this anymore for vsix... odd hasn't been fixed yet
+#Install-ChocolateyVsixPackage -PackageName "Windows Template Studio" -VsixUrl $wtsFileUrl.source
+
+$requestUri = 'https://marketplace.visualstudio.com/_apis/public/gallery/extensionquery'
+$requestBody = '{"flags":"262","filters":[{"criteria":[{"filterType":"10","value":"windows template studio"}],"sortBy":"0","sortOrder":"2","pageSize":"25","pageNumber":"1"}]}'
+$requestHeaders = New-Object "System.Collections.Generic.Dictionary[[String],[String]]"
+$requestHeaders.Add('Accept','application/json; api-version=3.2-preview.1')
+$requestHeaders.Add('Content-Type','application/json; charset=utf-8')
+
+$results = Invoke-WebRequest -Uri $requestUri -Method POST -Headers $requestHeaders -Body $requestBody -UseBasicParsing
+
+$jsonResults = $results.Content | ConvertFrom-Json
+$wtsResults = $jsonResults.results[0].extensions | where {$_.extensionName -eq "WindowsTemplateStudio"} 
+$wtsFileUrl = $wtsResults.versions[0].files | where {$_.assetType -eq "Microsoft.Templates.2017.vsix"}
+
+$wtsVsix = [System.IO.Path]::GetFileName($wtsFileUrl.source)
+$wtsFullPath = [System.IO.Path]::Combine((Resolve-Path .\).Path, $wtsVsix);
+Invoke-WebRequest -Uri $wtsFileUrl.source -OutFile $wtsVsix
+$vsixInstallerFile = Get-Childitem -Include vsixinstaller.exe -Recurse -Path "C:\Program Files (x86)\Microsoft Visual Studio\2017\"
+$wtsArgList = $wtsFullPath + " /q"
+
+$vsixInstallerResult = Start-Process -FilePath $vsixInstallerFile.FullName -ArgumentList $wtsArgList -Wait -PassThru;
 
-#--- Tools ---
-choco install -y visualstudio2017community  # See this for install args: https://chocolatey.org/packages/VisualStudio2017Community
-choco install -y sysinternals
-# choco install -y docker-for-windows
+Remove-Item $wtsVsix
 
-# TODO: should pass install args to VS2017 to install additional options 
 
+#--- reenabling critial items ---
 Enable-UAC
 Enable-MicrosoftUpdate
-Install-WindowsUpdate -acceptEula
+Install-WindowsUpdate -acceptEula