Fixed install and uninstall Scripts +semver:minor

Author: MrHinsh

TfsWitMigrator.Console/Chocolatey/chocolateyInstall.ps1

@@ -1,6 +1,7 @@
 try {
-  $sysDrive = $env:SystemDrive
-  $vstssyncmigrationpath =Join-Path -Path "\VSTSSyncMigration" -ChildPath Get-ToolsLocation
+  Import-Module "$env:ChocolateyInstall\helpers\chocolateyInstaller.psm1" -Force;
+  $toolsLoc = Get-ToolsLocation
+  $vstssyncmigrationpath =Join-Path -Path $toolsLoc -ChildPath "\VSTSSyncMigration"
 
   if(test-path $vstssyncmigrationpath) {
     write-host "Cleaning out the contents of $vstssyncmigrationpath"

TfsWitMigrator.Console/Chocolatey/chocolateyUninstall.ps1

@@ -1,6 +1,7 @@
 try {
-  $sysDrive = $env:SystemDrive
-  $vstssyncmigrationpath =Join-Path -Path "\VSTSSyncMigration" -ChildPath Get-ToolsLocation
+  Import-Module "$env:ChocolateyInstall\helpers\chocolateyInstaller.psm1" -Force;
+  $toolsLoc = Get-ToolsLocation
+  $vstssyncmigrationpath =Join-Path -Path $toolsLoc -ChildPath "\VSTSSyncMigration"
 
   Uninstall-ChocolateyZipPackage 'vstssyncmigration' 'vstsbulkeditor-#{GITVERSION.FULLSEMVER}#.zip'