Plugin with_inventory_hostnames - loops generated from groups or
hosts in inventory
Add Solaris O/S facts "distribution" and "distribution_*"
Updated to support inventory options from command line
Use first line from /etc/release in "distribution_release" for consistency across Solaris and derivatives.
Add chdir parameter to pip
Add is_local_path check to pip module, for skipping --use-mirrors
* Added a sha256 method to module_common
* Added a sha256sum parameter to the get_url module to enable
cryptographic verification of downloaded files
* Fixed a few typos in the documentation
bug fix for #3077, environment settings for script
changed get_mount_facts to ignore mount types 'none'
Setting version_added for this feature to 1.3
added error checking around boto ec2 connection errors when using a bad region name
fixed whitespace and added a comment to explain if statement
allow apt-key module to work with binary key
Remove duplicate host file reads by removing a legacy check.

This allows using a form such as

    ansible -i <( arbitrary command ) all -m ping
Use with guard for file reads.
Amazon RDS module
fixed bug in delete action - skip_final_snapshot must always be set
Fix `mongodb_user` compatibility with MongoDB 2.2 (used in Debian 7).
Fix dead link, remove redundant section.
Protect None value in setup module