Add formula for HaXe

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

Formula/haxe.rb

@@ -0,0 +1,20 @@
+require 'formula'
+
+class Haxe <Formula
+  url 'http://haxe.org/file/haxe-2.06-osx.tar.gz'
+  version '2.06'
+  homepage 'http://haxe.org/'
+  sha1 '729a10e0b68e53d40928396b961a741724343bea'
+
+  def install
+    bin.install %w(haxe haxedoc haxelib)
+    (share+"haxe").install "std"
+  end
+
+  def caveats; <<-EOS.undent
+    HaXe needs to know how to find its standard library so add this to your
+    shell profile:
+      export HAXE_LIBRARY_PATH="`brew --prefix`/share/haxe/std"'
+    EOS
+  end
+end