XWIKI-9516: Create a new Wiki API that replaces xwiki-platform-wiki-manager and xwiki-platform-workspace.

* Remove WikiManager.Style and put it on resources instead.
Merge remote-tracking branch 'upstream/master'
XWIKI-9697: The Wiki (was: Workspaces) Search Suggestion is missing.

* Fix: add a new object in XWiki.SearchSuggestConfig.
Merge remote-tracking branch 'upstream/master' into XWIKI-9697
Merge remote-tracking branch 'upstream/master' into XWIKI-9697
XWIKI-9697: The Wiki (was: Workspaces) Search Suggestion is missing.

* Move the translation key from the Wiki Translations page to the same place than the blog has putted its search suggestion keys: applicationresources of oldcore.
Merge pull request #210 from gdelhumeau/XWIKI-9697

XWIKI-9697: The Wiki (was: Workspaces) Search Suggestion is missing.