Plonetheme-blueberry

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- Fix dropdown for Internet Explorer
[Kevin Bieri]

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- Styling for calender portlet tooltip. [jone]

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- Fix size of select elements.
[Kevin Bieri]

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- Fix invalid tag in Products.TinyMCE.skins.tinymce.plugins.plonebrowser.plonebrowser.htm.pt.
[mathias.leimgruber]

- Define styling for select
[Kevin Bieri]

- Fix spacing on navigation elements
[Kevin Bieri]

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- Add support for ftw.globalstatusmessage.
[raphael-s]

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- Fix SCSS linting errors
[Kevin Bieri]

- Datagrid widget: Make datagrid actions clickable in IE11.
[mathias.leimgruber]

- Style tel fields
[Yves Siegrist]

- Fix toolbar actions width.
[Kevin Bieri]