Imio.actionspanel

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- Corrected code to work with collective.externaleditor >= 1.0.3.
[sgeulette]

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- Implemented method `getGroups` for the APOmnipotentUser
that returns an empty list because default implementation
will raise an `AttributeError` on `portal_groups`.
[gbastien]

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- Added possibility to define a CSS class on the edit action. To do this,
pass the value for `edit_action_class` in the kwargs. This make it possible
to use a class that will enable an overlay for the edit action.
[gbastien]
- Added section that renders arrows to move elements to top/up/down/bottom,
this only appears if useIcons is True.
[gbastien]
- While rendering transition button including portal_type title, translate
portal_type title in the domain defined on the typeInfo of portal_types,
not systematically in the "plone" domain.
[gbastien]
- When an element is deleted, check if response received by JS method
`deleteElement` is an url or a page content. In case a Redirect exception
is raised, we receive the entire page content and not an url to redirect to.
[gbastien]
- Use permission `ManageProperties` to protect the `renderArrows` section.
Make sure `saveHasActions` is called correctly in the
`actions_panel_arrows.pt` template.
[gbastien]
- Check if current context is a folderish in `addableContents` used for the
`deleteElement` section because `folder_factories` return parent's addable
content_types if current context is not folderish, this makes the button
appear when you can not add content, and if used, content is actually added
to the parent.
[gbastien]
- Translate workflow transition title and no more id
[sgeulette]

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- Take external edition into account when rendering the `edit` action.
[sdelcourt]

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- Use window.open(url, `_parent`) to manage actions instead of window.location
so new location is opened in the `_parent` frame, this way, when opened from
an iframe, the location is not opened in the iframe but in the parent/full
frame.
[gbastien]
- Fixed CSS style for the notTriggerableTransition CSS class so it is displayed
correctly in Chrome.
[gbastien]

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- Made a transitions sort method, that can be overrided.
[sgeulette]