Added libplist 1.3.

A library to handle Apple Property List formats.

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

Formula/libplist.rb

@@ -0,0 +1,22 @@
+require 'formula'
+
+class Libplist <Formula
+  url 'http://cloud.github.com/downloads/JonathanBeck/libplist/libplist-1.3.tar.bz2'
+  homepage 'http://github.com/JonathanBeck/libplist'
+  md5 '0f48f4da8ddba5d7e186307622bf2c62'
+
+  depends_on 'cmake'
+  depends_on 'glib'
+  depends_on 'libxml2'
+
+  def keg_only?
+    "This brew provides libmagic, but also installs a 'file' command which shadows the OS X-provided command."
+  end
+
+  def install
+    # Disable Python bindings.
+    inreplace "CMakeLists.txt", 'OPTION(ENABLE_PYTHON "Enable Python bindings (needs Swig)" ON)', '# Disabled Python Bindings'
+    system "cmake . #{std_cmake_parameters}"
+    system "make install"
+  end
+end