Install Ubuntu 18 and improve ML recipe setup (#66)

* move to Ubuntu 18 
* created two ML recipes
* using update-sessionenvironmnet instead of refreshenv
* discover helper script URI rather than hardcode it
* fixing readme links to support reboot

scripts/GetMLPythonSamplesOffGithub.ps1

@@ -0,0 +1,6 @@
+
+write-host "Downloading Python ML samples to your desktop ..."
+
+Update-SessionEnvironment
+cd $env:USERPROFILE\desktop
+git clone https://github.com/Microsoft/Dev-Advocacy-Samples/tree/master/python-mlclassification

scripts/GetUwpSamplesOffGithub.ps1

@@ -1,4 +1,4 @@
-RefreshEnv
+Update-SessionEnvironment
 cd $env:USERPROFILE\desktop
 mkdir UwpSamples
 cd UwpSamples

scripts/RemoveDefaultApps.ps1

@@ -1,5 +1,5 @@
 #--- Uninstall unecessary applications that come with Windows out of the box ---
-Write-Host "Uninstall unecessary applications that come with Windows out of the box" -ForegroundColor "Yellow"
+Write-Host "Uninstall some applications that come with Windows out of the box" -ForegroundColor "Yellow"
 
 #Referenced to build script
 # https://docs.microsoft.com/en-us/windows/application-management/remove-provisioned-apps-during-update
@@ -32,7 +32,6 @@ $applicationList = @(
 	"Microsoft.MicrosoftOfficeHub"
 	"Microsoft.OneConnect"
 	"Microsoft.WindowsPhone"
-	"Microsoft.SkypeApp"
 	"Microsoft.WindowsSoundRecorder"
 	"*Solitaire*"
 	"Microsoft.MicrosoftStickyNotes"
@@ -44,13 +43,10 @@ $applicationList = @(
 	"Microsoft.NetworkSpeedTest"
 	"Microsoft.FreshPaint"
 	"Microsoft.Print3D"
-
-	#Non-Microsoft
 	"*Autodesk*"
 	"*BubbleWitch*"
 	"king.com.CandyCrush*"
 	"*Dell*"
-	"*Dropbox*"
 	"*Facebook*"
 	"*Keeper*"
 	"*Netflix*"

scripts/VirtualizationTools.ps1

@@ -8,9 +8,11 @@ choco install -y vscode-docker
 
 
 #--- Ubuntu ---
-Invoke-WebRequest -Uri https://aka.ms/wsl-ubuntu-1604 -OutFile ~/Ubuntu.appx -UseBasicParsing
+Invoke-WebRequest -Uri https://aka.ms/wsl-ubuntu-1804 -OutFile ~/Ubuntu.appx -UseBasicParsing
 Add-AppxPackage -Path ~/Ubuntu.appx
 
+# TODO reboot here
+
 <#
 #--- SLES ---
 # Install SLES Store app