neo4j: use install_symlink

Formula/neo4j.rb

@@ -1,9 +1,9 @@
 require 'formula'
 
 class Neo4j < Formula
+  homepage 'http://neo4j.org'
   url 'http://dist.neo4j.org/neo4j-community-1.6-unix.tar.gz'
   version 'community-1.6'
-  homepage 'http://neo4j.org'
   md5 'd9b12bbd269853c2a85ed12595e50409'
 
   def install
@@ -17,9 +17,7 @@ class Neo4j < Formula
     libexec.install Dir['*']
 
     # Symlink binaries
-    bin.mkpath
-    ln_s "#{libexec}/bin/neo4j", bin+"neo4j"
-    ln_s "#{libexec}/bin/neo4j-shell", bin+"neo4j-shell"
+    bin.install_symlink Dir["#{libexec}/bin/neo4j{,-shell}"]
   end
 
   def caveats; <<-EOS.undent