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

enable use of multiple terms in first_found

A small error in the reuse of a variable caused packages to never get
purged. This commit fixes that.

Signed-off-by: martin f. krafft <madduck@madduck.net>

  to ansibleworks.com
* Fixed a few misspelled words

bug fix: modify get_device_facts to handle servers with multiple pci domains