[book] Fix typos in rql datetime functions documentation

[search box] allow to specify domid in select arguments. Closes #2162166 needed when one want to display search box twice in a page (eg logilabfr)

[config] fix rql-cache-size initial values (closes #2162160)

[migractions] fix comment to avoid ambiguity. Closes #2015260

[storage] BFSS now create read only file (closes #2151672) In the process binary.to_file now takes a file instead of a file-path. As storage was currently the only user it should not impact anyone.

backport stable

[schema synchronization] don't use sql for TODAY/NOW in keyword arg. Closes #2154815 Also consider TZDatetime on the way

backport oldstable

[req cookie] fix remove_cookie expires which was leading to expires computed to 0 in set_cookie and the Cookie class interpret that has no expires. Closes #2154654

[testlib, postgres] take care, _repo is None when backuping postgres test db, crashing database generation

[base views] make it easier to override EntityStartupView behaviour when the rset is empty; closes #2126364

[excanvas js] missing comma

backport stable

[datafeed] Don't pretend all columns are sortable in datafeed sources import log view. Closes #2146387

[facets] Make hiding facet body optional (closes #2105862)

[manage/index view] fix sources management view appearing in index view although it should not; closes #2126335

[book] add doc about request, session and connection management you need to know when writing tests

[test] test/demonstrate relation permissions overriding

[datafeed] Don't pretend all columns are sortable in datafeed sources import log view. Closes #2146387

[facets] Make hiding facet body optional (closes #2105862)

gmap: fix regression from 151058945234 Send zoomlevel as an int, and move closing brace to the right place.

gmap: fix regression from 151058945234 Send zoomlevel as an int, and move closing brace to the right place.

[deprecation] add cw version number to deprecation warning

[test] fix test broken by 8158:2ee254e74382 and add a test for that change

[doc] Add a small docstring to RQLExpression constructor

backport stable

[schema] restrictive email address read permission. Closes #2148141 You may have to update your application schema if you were based on previous settings!

[tableview] drop useless code: cellvid systematically given by RsetTableView, according to its .[non]finalview attribute

[tableviews] use ``select_or_none`` instead of ``try: select() except:`` select_or_none is here to avoid multiplying try: except: context in the code.

[bw compat] json_request setter is necessary for some cubes which has json_request (eg preview)

gmap: set center and zoomlevel automatically (closes #2144255) Instead of hardcoding the default zoomlevel and setting the center to the average of all markers, let gmap compute them so all markers fit in the map.

[views] calendar id in CalendarView must be unique (closes #2143864)