Plone.schemaeditor

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- Fix translation and sorting of field names.
[MacYET, davisagli]

- pat-modal pattern has been renamed to pat-plone-modal
[jcbrand]

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- Clean up testing setup. This solves some serious test isolation issues.
[timo]

- Update markup and javascript for Plone 5.
[davisagli]

- Make fieldset creation optional
[ebrehault]

- Add CSRF protection token
[ebrehault]

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- Fix schemaeditor.js to work with jQuery 1.9+.
[bloodbare]

- Internationalize delete field confirmation message.
[thomasdesvenain]

- We can set a fieldset description.
[thomasdesvenain]

- We can set that field is required or not required on add form.
[thomasdesvenain]

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- Fix test failures on Jenkins.
[timo]

- Fix tests.
[davisagli]

- On the listing, respect the SchemaContext label if supplied. Otherwise,
build one based on the title. This gives us more label flexibility
outside the dexterity schemaeditor context.
[smcmahon]

- Integrated addTokenToUrl from plone.protect.utils on generated delete url.
[Luke Brannon]

- Add fieldsWhichCannotBeDeleted attribute to SchemaContext, which can be
used to disallow removal of certain fields.
[davisagli]

- Fix removeField for EditableSchema to allow for the case where there
is no fieldset on the schema
[ianderso]

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- Fix packaging error.
[esteele]

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- Use a different id for field edit form and listing form, to ease
reuse of overlay behaviours.
[thomasdesvenain]

- Fix French translation.
[thomasdesvenain]

- Don't depend on popupform.js
[davisagli]