Adjustments in the docstrings to generate Balaio documentation
Adjustments in PublisherNameValidationPipe
1. docstring
2. full xpath of publisher-name (.//journal-meta/publisher/publisher-name), instead of only .//publisher-name
Merge pull request #87 from robertatakenaka/docstring_refactoring

Adjustments in the docstrings to generate Balaio documentation
Merge pull request #88 from robertatakenaka/80_doc

Adjustments in tickets-api and validations-api
Including tickets in packages api
Including tickets in the response of packages and package