* Introduce a configuration to either use the JavaScript compiler or LESS4j

XWIKI-11067: Add ability to catch exception from velocity scripts
XWIKI-11050: Do not fail the UI when there's a problem rendering the document's content
* Document title

- update list of tools installed by default

- Removed the previous implementation, since it was causing problems for tests that must run fully offline

* Revert changes that were not good

XWIKI-10625: Provide easy access to the Mail Sender API configuration from scripts

XWIKI-10623: Mail sending should always work when "from" is not specified and use "admin_email" xproperty instead
* Generate a warning

* Document new configuration property names

XWIKI-10431: In major installations, Filesystem Attachment Store deleteEmptyDirs() can block startup for significant time.
Accidently set the since to 6.0M1, thanks Vincent for catching me on that.

XWIKI-10431: In major installations, Filesystem Attachment Store deleteEmptyDirs() can block startup for significant time.
Add store.fsattach.cleanOnStartup to xwiki.properties

XWIKI-10185: Add a script service to know if path mode is enabled and what is the default alias suffix.

* Fix both.

XWIKI-10185: Add a script service to know if path mode is enabled and what is the default alias suffix.

* Fix both.

XCOMMONS-516: The list of allowed Class methods is way too restrictive in Velocity default configuration
* update documentation

XWIKI-9724: Introduce configuration parameter for the link checker to exclude pages from being checked

XWIKI-9520: Add support for extracting wikis using Wiki Descriptor in passed URLs using the new URL module
* Document new configuration property to decide what action to take when a requested wiki doesn't exist
* Fix @since versions

* Better default configuration that prevents users in corporate environment to have to open another port

* Added configuration

XWIKI-9376: Short URL don't work anymore
* Let the user override the entity path prefix

XWIKI-9237: Introduce new Resource module to represent a Resource being addressed

* Since we haven't yet replaced all occurences of xwiki.virtual.usepath and xwiki.virtual.usepath.servletpath we cannot deprecate them just yet...

 - Updates xwiki.cfg and xwiki.properties

* Fix issue with maven remote resources plugin

- Added missing propertyvalue field from the list of multilingual fields.

- Added component that retrieves the configuration from the xwiki.properties file.

Done.

This reverts commit 6c423d7c.