Adding formula for git-multipush

Signed-off-by: David Höppner <0xffea@gmail.com>

Formula/git-multipush.rb

@@ -0,0 +1,13 @@
+require 'formula'
+
+class GitMultipush <Formula
+  url 'http://git-multipush.googlecode.com/files/git-multipush-1.0.tar.bz2'
+  homepage 'http://code.google.com/p/git-multipush/'
+  md5 'ca809d24857c5abe92f870f3a4f2ebe5'
+
+  depends_on 'git'
+
+  def install
+    system "make", "prefix=#{prefix}", "install"
+  end
+end