fckeditor is clever enough to render the content, properly isolated from the main web page

It is usable for activity nodes where we need activity processing (i.e.
tic) to happen much faster that normally (default is 5 seconds).

It has been successfully used in a production system for months (and big dev instance)  despite not done in generic line now proposed.

@nexedi , any objections for not having this in a generic ERP5's timerservice?

/reviewed-on nexedi/erp5!562

Maybe @kazuhiko  is interested in this since you are using the edit_xmlrpc methods sometimes in your tests, right?

This effectively allows to zero-out some TALES expressions via manage_tales_xmlrpc which was not possible before. It is enough to set them to an empty string. 

/reviewed-on nexedi/erp5!563

[renderjs_ui] Extract utility function ensureArray, getFirstNonEmpty, and isEmpty into global gadget

/reviewed-on nexedi/erp5!570

This will increase the information's density for desktop users

-  use field defined CSS class on the top-level div only
-  compute correct paddings for horizontal elements

/reviewed-on nexedi/erp5!566

Iframe are only used with the editors, which now have a maximize feature

Add Base_renderForm to bypass erp5_hal_json_style limitations: it is not possible to render a field in JSON by directly using it as a callable.

[erp5_crm_renderjs_ui_test] Test create response dialog

This will prevent the input gadget to be changed if its parent call render with the same value (as ERP5 does in case of formulator error).

Display the update button if an action is defined.
Send the 'update_method' in the query in this case.

/reviewed-on nexedi/erp5!559