XWIKI-7677: Add AnnotationConfiguration component to allow consistent retrieval of the Annotation Application's settings
* Boolean XClass fields are implemented using integer 0/1 values.

Fix potential classcast exception

- Removed annotation specific code from the XWiki class
-- Added an event listener for ApplicationReadyEvent and DocumentUpdatedEvent (that listens for updates of the configuration document) to reinitialize the configured class, ensuring that the required properties exist.

XWIKI-7677: Add AnnotationConfiguration component to allow consistent retrieval of the Annotation Application's settings

XWIKI-7676: The Annotations REST resources do not set the context to the wiki and page where the REST call was made

* Remove unused profile

XWIKI-7647: User new Job question/answer system to ask user to resolve merge conflicts in installed XARs
Properly reset context error

Use proper method to get real object class reference

Use relative instead of absolute class reference when creating new object

* Introduced KeyboardAdaptor for cross-browser keyboard handling.

* Try to make test more stable (not sure this was an issue but seems a good idea)