Doc: rabbitmq_user pw change and force

Handle login shell bash processes hence match $0 with "*bash"

Document that need to add force=yes to change password of
existing user

fix wrong argument_spec in digital_ocean module

as 'required' and 'default' are mutually exclusive removed 'required' in preference of 'default'

Update ansible.cfg

Updated the example ansible.cfg to be more consistent in spacing/commented lines

remote_user should not be set in example config. This file is used in rpm .spec for /etc/ansible/ansible.cfg

Previous commit made config invalid.

Update all ansible.cc references in the documentation to point to ansibleworks.com

Conflicts:
	library/packaging/pip

Added basic support for hash_behaviour=merge in roles

added error checking on connect_to_region() in ec2.py

Adds 'groups' field into ec2 plugin

with_inventory_hostnames inventory based lookup plugin

ini_file: add support for lists of options/values

Conflicts:
	library/cloud/digital_ocean

Ensure an existing ssh-key returns useful information (id + name) instead of a string; this way it can be used to register a variable to use in a later task.

Generalise hacking dir path discovery

Merge branch 'generalise-hacking-dir-path-discovery' of git://github.com/madduck/ansible into envsetup2