Ansible-autodoc

* FIX: when reporting files, use relative paths
* improve readme template
* improve doc_and_readme template
* improve documentation

* FIX: run only in playbook or role project
* add -V | --version to cli
* solve pip install issues

* add missing feature example
* improve default template "readme"
* update install dependency on yaml for pip

* added uint tests
* refactored annotation discovery into Annotation object
* changed annotation to allow multi line description
* made annotation syntax more uniform
* moved some essential logic from AutodocCli to Config
* IMPROVEMENT: got rid of annotations author and description and use meta: author | description instead
* Missing feature from 0.4: example

* Added example block annotation

* Added print template to stdout, useful for project review and development
* Added var annotation