Fixed error in version_added

SSIA
Suppressed output and updated documentation
Double quoted version_added in documentation
Examples must use "name" parameter instead of "guest" for virt module, both works though but code explicitly expects name as the guest VM identifier.
Merge pull request #2535 from mavimo/documentation-description-formatting

Chnge description as list inside string
Merge pull request #2534 from victorcoder/devel

Examples must use "name" parameter instead of "guest" for virt module, b...
Merge pull request #2533 from mavimo/documentation-version_added

Double quoted version_added in documentation
Merge pull request #2531 from Afterburn/devel

Suppressed output and updated documentation
Merge pull request #2530 from mavimo/patch-1

Vagrant module - fixed version_added
Merge branch 'devel', remote-tracking branch 'upstream/devel' into documentation-description-formatting