XWIKI-9670: Rewrite wikimanager REST API based on new wiki APIs.
XWIKI-9692: Write integration tests for xwiki-platform-wiki.
[misc] Cleanup
[release] Updated translations.
[Misc] User Profile: The link to see the activity stream of a wiki is now generated by javascript, because it can not work without javascript.
Merge pull request #254 from gdelhumeau/misc-1

[Misc] User Profile: The link to see the activity stream of a wiki is no...
XWIKI-9857: Space Index Macro always lists hidden documents and lists translations several times
XWIKI-9780: The user XWiki.Admin appears in a subwiki's "Existing users" list.

* Moving AdminGroup and AllGroup to xwiki-enterprise-ui-admin-user.
XWIKI-9822: Failure to migrate to 5.3 database older than 4.0 when it contains wiki descriptors
XWIKI-7970: 'Show activity' link for a joined workspace does not work in the Workspaces section when JavaScript is turned off.
Merge branch 'master' of github.com:xwiki/xwiki-platform
[misc] Add documentation
XWIKI-9860: XAR exported with wikistream don't contains hidden and minoredit element anymore if they have the default value
XWIKI-9860: XAR exported with wikistream don't contains hidden and minoredit element anymore if they have the default value
* fix test
XWIKI-9861: NullPointerException on $services.wiki.template.getWikiProvisioningJobStatus().

* Fix the bug and introduce some unit tests.
XWIKI-9533: Be able to specify multiple values for search fields
* Add support for multiple selection when faceting.
XWIKI-9795: Better way to handle advanced search options
* Remove the wiki and space filters from the advanced options because we have them as facets.
XWIKI-9559: Make the list of wikis in which to search for configurable
* We can now use the $wikisSearchableFromMainWiki Velocity variable to control the list of wikis in which to search by default.
XWIKI-9796: Mark default 'Result Type' (Document) in facets as selected
* Reset the sort when the 'Result Type' selection changes because the sort fields depend on the selected result type.
XWIKI-9796: Mark default 'Result Type' (Document) in facets as selected
XWIKI-9795: Better way to handle advanced search options
* Remove the 'Result Type' filter from the Advanced Search options because we have it as facet.
XWIKI-9865: Missing dependency on Activity Stream UI in Tags UI