Revert "Updated the magefile.go to use new version of archiver library"

This reverts commit 6585e66.

There's been some weird changes added to the upstream archiver library which
break the build. Since this is only used in the build process, I'm in no hurry
to update it.

Author: wrouesnel

magefile.go

@@ -587,30 +587,13 @@ func Release() error {
 
 		if platform.OS == "windows" {
 			// build a zip binary as well
-
-			// creates a Zip configuration
-			z := archiver.Zip{
-								CompressionLevel:       3,
-								MkdirAll:               true,
-								SelectiveCompression:   true,
-								ContinueOnError:        false,
-								OverwriteExisting:      false,
-								ImplicitTopLevelFolder: false,
-			}
-
-			err := z.Archive([]string{platform.ArchiveDir()}, fmt.Sprintf("%s.zip", platform.ReleaseBase()))
+			err := archiver.Zip.Make(fmt.Sprintf("%s.zip", platform.ReleaseBase()), []string{platform.ArchiveDir()})
 			if err != nil {
 				return err
 			}
 		}
 		// build tar gz
-
-		//creates TarGz configuration
-		t := archiver.TarGz{
-							CompressionLevel:					3,
-		}
-
-		err := t.Archive([]string{platform.ArchiveDir()}, fmt.Sprintf("%s.tar.gz", platform.ReleaseBase()))
+		err := archiver.TarGz.Make(fmt.Sprintf("%s.tar.gz", platform.ReleaseBase()), []string{platform.ArchiveDir()})
 		if err != nil {
 			return err
 		}