Jake-node plugin : update

- remove the need to write a `jake_tasks` in the directory
- use most recent usage of completion with zsh
- tested for MacOSX and Ubuntu

plugins/jake-node/jake-node.plugin.zsh

 #---oh-my-zsh plugin : task Autocomplete for Jake tool---
 # Jake : https://github.com/mde/jake
-# Warning : Jakefile should have the right case : Jakefile
-# Warnign : Add a .jake_tasks file to your working directory
+# Warning : Jakefile should have the right case : Jakefile or jakefile
+# Tested on : MacOSX 10.7 (Lion), Ubuntu 11.10
 # Author : Alexandre Lacheze (@al3xstrat)
 # Inspiration : http://weblog.rubyonrails.org/2006/3/9/fast-rake-task-completion-for-zsh 
 
-function _jake_does_task_list_need_generating () {
-  if [ ! -f .jake_tasks ]; then
-    return 0;
-  else
-    accurate=$(stat -f%m .jake_tasks)
-    changed=$(stat -f%m Jakefile)
-    return $(expr $accurate '>=' $changed)
-  fi
-}
-
 function _jake () {
-  if [ -f Jakefile ]; then
-    if _jake_does_task_list_need_generating; then
-      echo "\nGenerating .jake_tasks..." > /dev/stderr
-      jake -T | cut -d " " -f 2 | sed -E "s/.\[([0-9]{1,2}(;[0-9]{1,2})?)?[m|K]//g" > .jake_tasks
-    fi
-    reply=( `cat .jake_tasks` )
+  if [ -f Jakefile ]||[ -f jakefile ]; then
+    compadd `jake -T | cut -d " " -f 2 | sed -E "s/.\[([0-9]{1,2}(;[0-9]{1,2})?)?[m|K]//g"`
   fi
 }
 
-compctl -K _jake jake
\ No newline at end of file
+compdef _jake jake
\ No newline at end of file