Added the changegroup hook for Mercurial.

This is the last commit for 1.0, yeah\!

scripts/hgchangegroup.php

@@ -0,0 +1,61 @@
+#!/usr/bin/env php
+<?php
+/* -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+# ***** BEGIN LICENSE BLOCK *****
+# This file is part of InDefero, an open source project management application.
+# Copyright (C) 2008-2010 Céondo Ltd and contributors.
+#
+# InDefero is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# InDefero is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+#
+# ***** END LICENSE BLOCK ***** */
+
+/**
+ * This script will send the notifications after a push in your 
+ * repository.
+ */
+
+require dirname(__FILE__).'/../src/IDF/conf/path.php';
+require 'Pluf.php';
+Pluf::start(dirname(__FILE__).'/../src/IDF/conf/idf.php');
+Pluf_Dispatcher::loadControllers(Pluf::f('idf_views'));
+
+/**
+ * [signal]
+ *
+ * hgchangegroup.php::run
+ *
+ * [sender]
+ *
+ * hgchangegroup.php
+ *
+ * [description]
+ *
+ * This signal allows an application to perform a set of tasks on a
+ * group change hook of a Mercurial repository. The rel_dir is a 
+ * relative path to the root of your hg repositories but starting with
+ * a slash.
+ *
+ * [parameters]
+ *
+ * array('rel_dir' => '/relative/path/to/hg/repository',
+ *       'env' => array_merge($_ENV, $_SERVER));
+ *
+ */
+$params = array('rel_dir' => $_ENV['PATH_INFO'],
+                'env' => array_merge($_ENV, $_SERVER));
+Pluf_Signal::send('hgchangegroup.php::run', 'hgchangegroup.php', $params);
+
+