XWIKI-2347: Add a default favicon
Removed the "sizes" attribute which is not valid XHTML1.0
[misc] Added missing @since
XWIKI-8951: Support null user and null entity in the new security authorization module
[misc] Fixing checkstyle (the quick way)
Fix tests
* fix another test
XWIKI-8884: Subwiki admin can import as backup a custom xar thus obtaining PR on the imported pages
* fix tests
Improve test resource
Improve test framework
A little bit nicer to debug
Fix mistake in previous commit
XWIKI-8954: Programming right should implies Admin right and not the reverse (new security module)
XWIKI-4491: The "Edit" right should implies the "View" right
[misc] fix a typo in message
Bulletproofing (if BaseObjectReference class is initialized before Utils componentManager is ready it seems to break the class forever)
XWIKI-8822: Set virtual=1 by default and deprecate the virtual mode API
- Exposing farm related information and buttons in the EM UI
XWIKI-8876: Promote the wiki-manager's XWiki.XWikiServerClass to "mandatory class" status for the main wiki
- Make the ApplicationManager part of XWikiServerClass load the existing class from the database (where it was already initialized by the mandatory document initializer).
XWIKI-8951: Support null user and null entity in the new security authorization module

 - fix log messages
XWIKI-8955: ILLEGAL right should not be return in list of right names (new security module)
XWIKI-8944: Use the bridge to the new security authorization component as the default RightService

 * Improving tests (work in progress)