Add play22

In main play is replaced with typesafe-activator.
Adding play22.rb here since it's still in heavy use.

Closes #462.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>

play22.rb

@@ -0,0 +1,15 @@
+require "formula"
+
+class Play22 < Formula
+  homepage "http://www.playframework.org/"
+  url "http://downloads.typesafe.com/play/2.2.3/play-2.2.3.zip"
+  sha1 "16beea55568a6b5876439ffbf908ba6448c5c713"
+
+  conflicts_with "sox", :because => "both install `play` binaries"
+
+  def install
+    rm_rf Dir["**/*.bat"]
+    libexec.install Dir["*"]
+    bin.install_symlink libexec/"play"
+  end
+end