Improve modal view (more configurable)
On branch master
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Changes to be committed:
  (use "git reset HEAD <file>..." to unstage)

    modified:   README.md
    modified:   Resources/translations/alertify.en.xliff
    modified:   Resources/translations/alertify.es.xliff
    modified:   Resources/translations/alertify.fr.xliff
    modified:   Resources/translations/alertify.pl.xliff
    modified:   Resources/views/Modal/modal.html.twig