added kiwi formula

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

* rlwrap is recommended
* only need to pre-create bin
* caveat about where kiwi installs things to

Formula/kiwi.rb

@@ -0,0 +1,23 @@
+require 'formula'
+
+class Kiwi <Formula
+  url 'http://github.com/visionmedia/kiwi/zipball/0.2.2'
+  homepage 'http://github.com/visionmedia/kiwi'
+  md5 '7c5291a42f3cc848a3ae5a29b1028eff'
+  version '0.2.2'
+
+  depends_on 'rlwrap' => :recommended
+
+  def install
+    inreplace "Makefile", "/usr/local", "#{prefix}"
+    bin.mkpath
+    system "make install"
+  end
+
+  def caveats
+    <<-EOS.undent
+    By default, installs libraries to:
+      ~/.node_libraries
+    EOS
+  end
+end