Change the order the setup cache is used to update things, such that the example/playbooks/conditional_part1.yml file
works as advertised

Adds the 'serial' keyword to a playbook which controls how many hosts can be running through a playbook at a single time.
The default is 0, which means all hosts.  If set to 1, each host would run a playbook all the way through before moving
on the next host.  Fact gathering is still parallel, regardless of the serial setting.

Add pattern option to service module

Work with tun and p2p interfaces

Retrieve pip path after creating virtualenv

Fixes for postgresql_user to make it work with postgresql defaults and under Python 2.4

Syntax changes necessary to make test-module work with Python 2.4

Return both stdout and stderr on pip failures.

Adds ability to check service status based on pattern.  The pattern
is a simple string.  If a pattern is provided, the output of ps is
checked first.

Retrieve the pip path after creating a non-existent virtualenv.
Prevents the problem of using the wrong pip if virtualenv doesn't
exist yet.

pip failure message sometimes (always?) go to standard out. Return
both standard out and standard error when there's a failure.

to parse or return other valid output.  This is a slight improvement.

If ANSIBLE_KEEP_REMOTE_FILES=1 is set as an environment file, remote files will not be deleted, which is useful only for development debugging purposes.

Fully document the -v option.

Feature/882 interfaces

If there is an error in how interfaces are configured (or only one set, like IPv6),
the setup command should not error out.

being run against for each playbook

Make easy_install module actually work.

mpdehaan requested in ansible/ansible#795 that globals be removed.
The response was to remove the lines with the word 'global', but not
the actual use of global variables.  Which makes the module break silently.
Updated to use local variables.