New Formula: growly

Growly is a simple tool to redirect output of a command to a growl notification.
This is nice for cli tasks that take a considerable amount of time. Simply run them
via growly and get a growl notification with their output whenever they finish.

Closes Homebrew/homebrew#7683.

Signed-off-by: Charlie Sharpsteen <source@sharpsteen.net>

Formula/growly.rb

@@ -0,0 +1,18 @@
+require 'formula'
+
+class Growly < Formula
+  homepage 'https://github.com/ryankee/growly'
+  head 'git://github.com/ryankee/growly.git'
+  url 'https://github.com/downloads/ryankee/growly/growly-v0.2.0.tar.gz'
+  md5 'a3e4922d619cfeb00009dc55163f0974'
+
+  depends_on 'growlnotify'
+
+  def install
+    bin.install 'growly'
+  end
+
+  def test
+    system 'growly "echo Hello, world!"'
+  end
+end