Upgrade Vendored rubyzip to Version 0.9.3

vendor/plugins/rubyzip/install.rb

@@ -0,0 +1,23 @@
+#!/usr/bin/env ruby
+
+$VERBOSE = true
+
+require 'rbconfig'
+require 'find'
+require 'fileutils'
+
+include Config
+
+files = %w{ stdrubyext.rb ioextras.rb zip.rb zipfilesystem.rb ziprequire.rb tempfile_bugfixed.rb }
+
+INSTALL_DIR = File.join(CONFIG["sitelibdir"], "zip")
+FileUtils.makedirs(INSTALL_DIR)
+
+SOURCE_DIR = File.join(File.dirname($0), "lib/zip")
+
+files.each { 
+  |filename|
+  installPath = File.join(INSTALL_DIR, filename)
+  FileUtils::install(File.join(SOURCE_DIR, filename), installPath, 0644,
+                     :verbose => true)
+}