Ftw.datepicker

------------------

- Support overlays by triggering a load and reloaded event.
[mathias.leimgruber]

------------------

- Update translations aka make them work.
[mathias.leimgruber]

- Do not allow a year before 1900.
strftime in python 2.7 does not support years before 1900.
[mathias.leimgruber]

- Implement additional config options.
[tschanzt]

- Drop compatibility with Plone 4.1 and Plone 4.2.
[mbaechtold]

------------------

- Fix import/export of registry.xml.
[mbaechtold]

------------------

- Minify js resources.
[mathias.leimgruber]

------------------

- Make it possible to use different dateformats depending on the current language.
[tschanzt]

- Use DateTimePicker widget from XDSoft which also supports time picking
(http://xdsoft.net/jqplugins/datetimepicker/).
Attention: Support for Plone 4.0.x has been dropped.
[mbaechtold]

------------------

- Fixed calendar icon for Plone 4.3 sites.
[phgross]