Simplelayout.ui.dragndrop

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- Drop Plone 4.1 support. [jone]

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- Implement uninstall profile.
[jone]

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- Fix drag'n'drop between slots.
[tschanzt]

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- Plone 4.3: support for newer jquery versions.
[jone]

- Replace jq by $
[mathias.leimgruber]

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- Reimplement a min height for empty slots.
[mathias.leimgruber]

- Condition for a special usecase (show the current content also
as block. But this block is no moveable)
[mathias.leimgruber]

- Remove "setHeightOfEmptyDropZone".
[mathias.leimgruber]

- Move package to github.
[jone]

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- Show border around slots on dranging a block.
[Julian Infanger]