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

* Integrate the new wiki API & UI in enterprise.
Merge remote-tracking branch 'upstream/master' into feature-new-wiki-api
XWIKI-9516: Create a new Wiki API that replaces xwiki-platform-wiki-manager and xwiki-platform-workspace.

* Integrate the new wiki API & UI in enterprise.
XWIKI-9516: Create a new Wiki API that replaces xwiki-platform-wiki-manager and xwiki-platform-workspace.

* Integrate the new wiki API & UI in enterprise.
* Fix dependencies.
XWIKI-9516: Create a new Wiki API that replaces xwiki-platform-wiki-manager and xwiki-platform-workspace.

* Integrate the new wiki API & UI in enterprise.
* Fix dependencies.
XWIKI-9516: Create a new Wiki API that replaces xwiki-platform-wiki-manager and xwiki-platform-workspace.

* Fix dependencies.
Merge remote-tracking branch 'upstream/master' into feature-new-wiki-api
Merge pull request #51 from gdelhumeau/feature-new-wiki-api

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