Add the failtest module, primarily for easy development testing purposes. …

Add the failtest module, primarily for easy development testing purposes.  RPMs/etc need not ship this.

library/failtest

+#!/usr/bin/python
+
+# (c) 2012, Michael DeHaan <michael.dehaan@gmail.com>
+#
+# This file is part of Ansible
+#
+# Ansible 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 3 of the License, or
+# (at your option) any later version.
+#
+# Ansible 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 Ansible.  If not, see <http://www.gnu.org/licenses/>.
+
+try:
+    import json
+except ImportError:
+    import simplejson as json
+
+print json.dumps({ 
+    "failed" : True, 
+    "msg"    : "this module always fails" 
+})