New formula: Despotify

Despotify is an open source Spotify client and library.

This formula is pulling from Subversion HEAD as no releases are available, and
they often need to make small changes when the Spotify service changes.

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

Formula/despotify.rb

@@ -0,0 +1,18 @@
+require 'formula'
+
+class Despotify <Formula
+  head 'https://despotify.svn.sourceforge.net/svnroot/despotify/src'
+  homepage 'http://despotify.se/'
+
+  depends_on 'libao'
+  depends_on 'libvorbis'
+  depends_on 'pkg-config'
+
+  def install
+    system "make Makefile.local.mk"
+    inreplace "Makefile.local.mk",
+      "# INSTALL_PREFIX = /usr", "INSTALL_PREFIX = #{prefix}"
+    system "make"
+    system "make install"
+  end
+end