files.stat: Expose path in returned result

This is needed to apply subsequent operation on tested path
Added support of returning owner's group name in stat module
Fix old ticket #9092 where a playbook can enter in recursion

This can be tested with this command :

    ansible -c local -m copy -a 'src=/etc/group dest=foo/' all

This is a corner case of the algorithm used to find how we should
copy recursively a folder, and this commit detect it and avoid it.

Check https://github.com/ansible/ansible/issues/9092 for the story
service cleanup
git doc: don't prepend ssh:// for ssh repo

The github ssh example has ssh:// at the beginning of the url. However, this doesn't
work. It does work if the ssh:// is removed.
Fix typo of "rules_egress"

Or is "rules_egree" supposed to be a plural? The sentence is difficult to parse.

Maybe the correct fix is to "Purge existing rules on security group that are not found in rules_egress"?
Merge pull request #405 from follower/patch-1

Fix typo of "rules_egress"
Fix lineinfile documentation typo
Clarify supported init systems.
Fix module traceback instead of returning an error
Merge pull request #410 from erimar77/devel

Fix lineinfile documentation typo
Merge pull request #407 from axilleas/service_docs

[service doc] Clarify supported init systems.
Merge pull request #10 from techtonik/patch-1

files.stat: Expose path in returned result
Merge pull request #17 from cooniur/devel

Added support of returning owner's group name in stat module
yum: add update_cache option

Yum does not always update to latest package version unless metadata cache has expired. By runing yum makecache, we ensure the metadata cache has been updated.

Signed-off-by: René Moser <mail@renemoser.net>
Adds a login_unix_socket option to the postgresql_db module.
Adds a unix_socket/login_unix_socket option to the postgresql_user module.
Adds a login_unix_socket option to the postgresql_privs module.
Merge pull request #9 from resmo/feature/yum-update-cache

yum: add update_cache option
Merge pull request #43 from drob/postgresql-socket

Adds login_unix_socket options to postgresql modules.
TODO: factor this out into common code as we did for ec2 and others.