XWIKI-10648: Remove the log warning about JSP support not being available when starting the standalone Jetty server
Done.

Done.

XWIKI-10646: Make the standalone debug script start in Windows even if JAVA_HOME is not defined and Java is not on the PATH
Done.

Done.

XWIKI-10644: Configure the standalone package not to send the Jetty version in the HTTP response headers
Done.

XWIKI-10643: Allow the start and stop ports, and additional Java options for the standalone Jetty package to be specified using environment variables
Done.

Done.

* 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

Done.

* Implemented using the PAUSE command which should work on all Windows versions

* remove a few embedded libraries from vnu jar

* Minor fix.

* Fix bad dependency version.

* Add an incomplete HTML5 validator.

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.

* looks like there is other possibilities