Ftw.slider

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- Fix slider pane initialization.
The slider panes are invisible per default.
After the slider is initialized by the javascript, the panes will be visible.
This fix prenet ugly stylings while loading the slider.
https://github.com/4teamwork/ftw.slider/issues/51
[elioschmutz]

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- Register ftw.slider.slider viewlet on IViewView to prevent rendering the
viewlet on non-canonical views.
[elioschmutz]

- Update sliderpane for accessiblity

- Show always empty image alt and title attributes on a pane
- Remove unused descriptionfield on a pane

[elioschmutz]

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- Add translations for play, pause, next and previous buttons.
[Kevin Bieri, jone]

- Add slick_config field to container schema
[elioschmutz]

- Add css class if pane has text
[elioschmutz]

- Initialize sliderpanes on pageload
[elioschmutz]

- Use UID-based scaling urls in order to have caching.
[jone]

- Mark image field as primary field.
[jone]

- Fix plonetheme.onegov integration.
[mbaechtold]

- Refactor SCSS registration.
[Kevin Bieri]

- Fix initialisation error for slider in IE10
[Kevin Bieri]

- Link the slider pane to an external url.
[mbaechtold]

- Implement play and pause button.
[Kevin Bieri]

- Use DOM exposed configuration for slider initialisation.
[Kevin Bieri]

- Extend configuration for play and pause functionality.
[Kevin Bieri]

- Don't hide the slick arrows.
[mbaechtold]

- Add Plone 4.3.5 support.
[jone]

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- Disable slider dots.
[Kevin Bieri]

- Update slick.js to 1.5.5
[Kevin Bieri]

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- Fix invalid html structure (replace h2 with p tag).
[kevin.bieri]

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- Fix loading ajax-loader.gif in production mode.
[mathias.leimgruber]

- Fixed ie9 slider buttons (appended z-index to bring the button to the foreground)