Improved documentation of `mount` module

Mentioning the fact that mount point directories are created and
removed.
Fix for documentation playbook loops

if key is used with lookup parameter that needs to be in quotes as
otherwise it will load "ssh-rsa" "<the key>" "<the comment>" as separate
values and fail with "this module requires key=value arguments"
Updated Fix for documentation playbook loops

if key is used with lookup parameter needs quotes as
otherwise it will load "ssh-rsa" "<the key>" "<the comment>" as separate
values and fail with "this module requires key=value arguments"
Fix traceback in template error detection code

Fixes #5081
Merge pull request #5046 from JensRantil/improve-mount-doc

mention that the mount module will remove mount directories
Merge pull request #5074 from pcraston/devel

Fix for documentation playbook loops
Update README.md

Add PyPi version badge.