Ftw.subsite

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- Lawgiver: change default action group to for adding
subsites to "add subsites". [jone]

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- Use renamed dependency from ftw.mobile.
[Kevin Bieri]

- Fix dependency-error if ftw.subsite is installed with ftw.theming but without ftw.mobile.
Only loads mobilenavigation-specific scss if ftw.mobile and ftw.theming are installed.
[elioschmutz]

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- Implement ftw.mobile button for subsite languages.
[mathias.leimgruber]

- Remove invalid aria attributes from section and header tag in languageselector.
[mathias.leimgruber]

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- Add german translations for "contact-info" view.
[raphael-s]

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- Make languageselector accessible.
[Kevin Bieri]

- Set global lang attribute according to the subsite language.
[mathias.leimgruber]

- Use browser layer for all viewlets in this package.
[mbaechtold]

- Replace miss-used definition list markup by section/header markup in languageselector.
[mathias.leimgruber]

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- Prevent traversing to a not accessible navigation root in banner and css
viewlet.
[mathias.leimgruber]

- Make current language and list of possible languages accessable thru browserview.
[mathias.leimgruber]

- Add ftw.theming expression to subsite.css.
[mathias.leimgruber]

- Remove ISubsiteLayer from subsite.logo viewlet. This allows us to register
a more specific subsite.logo viewlet.
[mathias.leimgruber]

- Add ftw.theming integration scss (Currently only a Icon).
[mathias.leimgruber]

- Implement Dexterity based subsite content.
[mathias.leimgruber]