Added arm formula (tor status monitor)

Signed-off-by: Adam Vandenberg <flangy@gmail.com>

Formula/arm.rb

@@ -0,0 +1,27 @@
+require 'formula'
+
+class Arm < Formula
+  homepage 'http://www.atagar.com/arm/'
+  url 'http://www.atagar.com/arm/resources/arm-1.3.7-1.tar.bz2'
+  sha256 '2d815dbf9608e501ab8d40f9f785c13308cd282821e36bda5bbbb62d548e0e0b'
+
+  def install
+    (share+"arm").mkpath
+    (share+"arm").install Dir["*"]
+
+    (bin+'arm').write <<-EOS
+#!/bin/sh
+cd #{share}/arm; arm $@
+    EOS
+  end
+
+  def caveats; <<-EOS.undent
+    You'll need to enable the Tor Control Protocol in your torrc.
+    See here for details: http://www.torproject.org/tor-manual.html.en
+
+    To configure Arm, copy the sample configuration from
+    #{share}/arm/armrc.sample
+    to ~/.armrc, adjusting as needed.
+    EOS
+  end
+end