init commit
changed ebook attribute.
added .gitignore
added Library, LibraryFolder, ISBN, file, printingfile,author
added library, libraryfolder
added all content related to epublication data model
https://e-deposit.readthedocs.org/cs/latest/dm01.html
removed author folder. Groupping of authors will be solved by plone.app.collection.
removed tests for AuthorFolder
changed version to 1.0.0
changed version to 1.0.0
added generated_isbn attribute.
added edit-at-once
added translation for Czech language
added translation file for Czech language.
localized content.
updated localization
added ePeriodical, Book and related content.
added localization for ePeriodical, Book.
updated SOURCES.txt
updated sources.txt