Ftw.calendarwidget

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- Fix month picking for Plone 4.3 jQuery version.
[jone]

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- Plone 4.3 support, The DateTimeWidget changed.
[mathias.leimgruber]

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- Do not use a square to mark required field, this will be done by CSS.
[Julian Infanger]

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- onegov.ch approved: add badge to readme.
[jone]

- Make ftw_calendar.js fire the 'calendar_after_change' event again.
[tschanzt]

- Don't split date with '/' use '-' instead.
[tschanzt]

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- Fixed widget selecting wrong month.
[Julian Infanger]

- Fix IE8 issues.
[mathias.leimgruber]

- Added test setup and some integration tests.
[mathias.leimgruber]

- Fix communication between datepick widget and select fields.
[mathias.leimgruber]

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- Fix missing Label.
[tschanzt]