[rql2sql tests] fix erroneous case (tested with psql)

add missing future import

drop unittest deprecation warning

[form, controller] closes #1787233: form should provide a method to process posted content

[forms] fix import, gone into the wrong patch

[form, renderer] closes #1787234: [form] onsubmit interpolated by the form renderer, it shouldn't

[form renderers] closes #1787232: new 'onerowtable' form renderer so it's easy to retrieve a dictionary of {field name : typed value} for a custom, no entity related, form

backport stable branch

[rql2sql] more cases fixed where something is wrongly added to GROUPBY, causing unexpected results for the query

[book] rewrite / complete the RQL language chapter

[all] remove pattern "try: function() except AttributeError: pass" (closes #1787966)

[cw-ctl] command list should not break when cube depends on version None (closes #1787209)

[uilib] new js_dumps function allowing usage of bare js string (wrapped into JSString) modify magic 'js' object to consider them as well

backport stable

[repo, looping task] raise a custom exception when repository is shuting down, avoid looping task to be restarted in such case. Closes #1021276

[formfields] use support_args instead of catching type error avoid hiding other issues and making debugging difficult

[cw.ajax] fix loadxhtml documentation and warn when called on an empty elements list

[etwist] log missing file even in debug mode

backport stable

[test] run and fix utils and uilib doctests

Display proper date in plot/flot (closes #1725589)

[doc] fix NameError in bfss tutorial

[js/css concat] do not return 404 when resources of a concatenated data URL does not exist, unless in debugmode; closes #1745644

[server] "overrule" case insensitivity of database name (closes: #611294) The only instances where you are required to use quotes are either when a database object's identifier is identical to a keyword, or when the identifier has at least one capitalized letter in its name. In either of these circumstances, you must remember to quote the identifier both when creating the object, as well as in any subsequent references to that object

[tests] update repository tests with new `use_cwuri_as_url` attribute This attribute was intriduced by changeset 92fd4b777016

backport stable

Added tag cubicweb-debian-version-3.12.8-1 for changeset cf49ed55685a

Added tag cubicweb-version-3.12.8 for changeset 50122a47ce4f

3.12.8

[migration] litle enhancements and a fix to patch accidentally pushed two revisions ago