* Added a line to resolve correctly the PDFClass in context of the wiki of the template if a template is provided, and not of the current wiki
Fix done by Paul Cojan, committed without modifications.

XWIKI-11843: Watchlist App Email Notification generates incorrect links when XWiki is deployed as ROOT
* Prevent error if we ever get URLs of the form http://<server>/<context>

XWIKI-11843: Watchlist App Email Notification generates incorrect links when XWiki is deployed as ROOT

* fix checkstyle

- Version management is done in commons now.

XWIKI-9391: Increase/set extension title weight when searching for an extension
XWIKI-11913: Add support for SCM in extension REST service
XWIKI-11899: Implement advanced search in XWiki based Extension Repository REST

- The legacy module is now just a wrapper for the component based implementation, in order to still honor clients of the plugin.

- Added missing component ID

* Removed the dot from the description (+ removed the "XWiki" part since everything is about XWiki)

XWIKI-9467: Add ability to automatically import the extension source information when importing an extension
XWIKI-9391: Increase/set extension title weight when searching for an extension
XWIKI-11913: Add support for SCM in extension REST service
XWIKI-11899: Implement advanced search in XWiki based Extension Repository REST

XWIKI-11913: Add support for SCM in extension REST service

- Added some documentation about the possible use of @Priority.

- Fixed failing test.

* Change the description of the application in the pom.xml.

XWIKI-11908: When editing, add a subtle table cell delimitation that doesn't interfere with the skin

* Add a Skin Application
* Add an UI to easily add/edit/delete XWikiSkinFileOverrideClass objects

- Made sure the watchlist job documents are properly initialized by the scheduler plugin
- Fixed failing test

- Reinitialize the WatchListClass on all wikis if a job document was added/deleted
-- This is just something that was lost in translation
- Registered the WatchListNotificationCacheListener component
- Fixed the update of a subscriber's interval, specially when the previous value was an invalid interval ("")

* fix checkstyle

- Fixed the UI to use the new script service

- Falling back on current values when null parameters are passed in the script service.

- Avoiding queries for events if no subscriber is interested for the current job

- Minor notes and code comments

- Using document initializers for both the 2 classes and the 3 scheduler jobs. Job class and scheduler jobs are only initialized on the main wiki, as before.
- Removed the need to pass the XWiki context to all the methods.
- Added CLIRR exclude for all watchlist classes.
- The code is all in internal packages for now.
- Added a script service to replace the old PluginApi.
- Still using strings instead of references.
- Still throwing XWikiException.
- UI needs fixing to use the script service instead of the plugin API.

- Properly create the space homepage parent reference.

- Properly create the main wiki referece.

- Also refactored XWikiServerClassDocumentInitializer and fixed a test