Updated Chocolatey install scripts according to review comments

choco/armyknife.nuspec

@@ -18,6 +18,7 @@
     <tags>armyknife tool tools command-line</tags>
     <summary>A cross-platform console app with lots of handy tools.</summary>
     <description>A cross-platform console app with lots of handy tools.</description>
+    <releaseNotes>See https://github.com/dukeofharen/armyknife/releases</releaseNotes>
   </metadata>
   <files>
     <file src="tools\**" target="tools" />

choco/tools/chocolateyinstall.ps1

@@ -1,22 +1,15 @@
-$ErrorActionPreference = 'Stop';
+$ErrorActionPreference = 'Stop';
 $toolsDir   = "$(Split-Path -parent $MyInvocation.MyCommand.Definition)"
 
 $fileLocation = Join-Path $toolsDir 'armyknife_install.exe'
 
 $packageArgs = @{
   packageName   = $env:ChocolateyPackageName
-  unzipLocation = $toolsDir
   fileType      = 'exe'
   file          = $fileLocation
-
-  softwareName  = 'armyknife*'
-
-  checksum      = '[CHECKSUM]'
-  checksumType  = 'sha256'
-
-  silentArgs    = '/S'
-
+  silentArgs    = "/S"
   validExitCodes= @(0)
+  softwareName  = 'armyknife*'
 }
 
-Install-ChocolateyPackage @packageArgs
+Install-ChocolateyInstallPackage @packageArgs