Causing the browser time to be used instead of the calculated time of the server, which was incoherent with previous behavior (fix 5c4a03f6)

Display the timezone (if the field is configured like that) in both editable and non-editable mode

See merge request !1113

Using the test class name was causing conflicts on some test classes.
CodingStyleTest was a case, all test use CodingStyleTest class with an
environment variable to control which business template is tested. In
this case, we want one log directory for each business template.

Introduce a getLogDirectoryPath method that's supposed to create and
return the path of the directory to use for log and override this method
for the special case of coding style test.

This test will guarantee that the issue of PyPdf2 overwrite warnings.showwarning method. By default, overwriteWarnings is True in PyPdf2 and we don't want change in many place in ERP5.

Then, this issue should be fixed in PyPdf2 package.

As header h* and link a use the same color, keep the underline to differenciate links

See merge request !1120

Substitution mapping can be used on the web section default document to include a list of documents.

The documents will match the web section predicates and a category defined on the web section layout configuration parameter.

The substitution key will look like: ${basecategory[__parentcategory]__category}

IN non-editable mode the timezone was never shown even if the field was configured to display it.

Drop appcache use in all OfficeJS application

See merge request !1091

To benefit from activity deduplication.
This may also improve same-processing-node behaviour when
SQLDict is crowded while SQLQueue is not, making these activities
behaviour more consistent with non-fulltext catalog indexation activities.

- web site modification date is used as etag value for caching purposes
- add 304 response status support

- image editor
- web table editor

- text editor
- spreadsheet editor
- presentation editor

- Text editor
- Svg editor
- Codemirror editor
- Pdf viewer
- Bookmark manager
- Media Player
- Smart Assistant
- Drive App

- new storage to handle precache manifests instead of appcache

Always check the promise result to catch error

ZODB Components: erp5_core: Migrate {Builder,Order,Delivery}Tool from filesystem (MRs !1093, !1111).

ZODB Components: erp5_core: Migrate SimulationTool, AppliedRule and Simulation Movement (and their Interfaces/Mixins) (MRs !1093, !1111).

Consider that view is the default is wrong, we should invoke call on the object, this change fix listboxes used on frontpage of a website.

See merge request !1115

previous are not installed yet

See merge request !1114

Consider that view is the default is wrong, we should invoke call on the object, this change fix listboxes used on frontpage of a website.

1. can add image
2. add edit, visible workflow

Since cb44242a some Configurator's message changed thus adjust tests.

causing the browser time to be used instead of the calculated time of the server, which was incoherent with previous behavior (fix 5c4a03f6)