Add completion script for node, the Node.js command line launcher

This first version supports the basic flags for the command,
introducing an inline script and searching for a js file to execute.

Stuff that is _not_ yet supported:

* Incompatibility between passing an inline script and a file
* the debug option

_node

@@ -0,0 +1,56 @@
+#compdef node
+# ------------------------------------------------------------------------------
+# Copyright (c) 2011 Github zsh-users - http://github.com/zsh-users
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#     * Redistributions of source code must retain the above copyright
+#       notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above copyright
+#       notice, this list of conditions and the following disclaimer in the
+#       documentation and/or other materials provided with the distribution.
+#     * Neither the name of the zsh-users nor the
+#       names of its contributors may be used to endorse or promote products
+#       derived from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL ZSH-USERS BE LIABLE FOR ANY
+# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+# ------------------------------------------------------------------------------
+# Description
+# -----------
+#
+#  Completion script for Node.js v0.6.11 (http://nodejs.org)
+#
+# ------------------------------------------------------------------------------
+# Authors
+# -------
+#
+#  * Mario Fernandez (https://github.com/sirech)
+#
+# ------------------------------------------------------------------------------
+# -*- mode: zsh; sh-indentation: 2; indent-tabs-mode: nil; sh-basic-offset: 2; -*-
+# vim: ft=zsh sw=2 ts=2 et
+# ------------------------------------------------------------------------------
+
+local curcontext="$curcontext" state line ret=1
+typeset -A opt_args
+
+_arguments -C \
+  '(- 1 *)--help[print options help]' \
+  '(- 1 *)'{-v,--version}'[print node version]' \
+  '(- 1 *)--v8-options[print v8 command line options]' \
+  '(-e, --eval)'{-e,--eval}'[evaluate script]:Inline Script' \
+  '(-p, --print)'{-p,--print}'[print result of --eval]' \
+  '(--vars)--vars[print various compiled-in variables]' \
+  '*:JS Script:_files -g "*.js"' && ret=0
+
+return ret