Adds integration tests for gce module.
Adds integration tests for gce_pd module.
Adds support for creating GCE persistent disks from images
Adds support for creating GCE persistent disks from snapshots
Adds support for attaching persistent disks to GCE instances
Changes cleanup_gce.py to use gce_credentials module.
Adds version_added property to new attributes in gce and gce_pd.
Fix portability issue when checking local facts file permission.
use the full list of available campfire sounds

From the list found [here](http://www.emoji-cheat-sheet.com/)
Allow deb package installation via with_items

Fixes #7863
fix swap translation on 4.x openbsd with 2.5.4 python
Fixed documentation in playbooks_variables.rst
Add note about useful quote filter.
Merge pull request #8196 from kustodian/playbooks_variables.rst

Fixed documentation in playbooks_variables.rst
Add check_mode support to authorized_key. Fixes #7300

Signed-off-by: Hector Acosta <hector.acosta@gmail.com>
Merge pull request #8209 from hacosta/hacosta_7300

Add check_mode support to authorized_key. Fixes #7300
Merge pull request #6976 from clconway/gce-snapshots

Adds support for snapshots and extra persistent disks to the gce modules
Update version_added attribute on recent GCE module additions.
Add checkmode support for test-module script

Signed-off-by: Hector Acosta <hector.acosta@gmail.com>
Merge pull request #8214 from hacosta/checkmode

Add checkmode support for test-module script