* minor improvements

XWIKI-13277: Add Rename operation Page Object & Tests

* added "order by template.name" to the XWQL query

Added missing dependency

* not saving each email invitation token separately seems to fix this issue
* update save comment to reflect the fact it might have saved one or several invitations

XWIKI-13277: Add Rename operation Page Object & Tests

XWIKI-13347: Rename CopyStatusPage.java to CopyOrRenameStatusPage.java

XWIKI-13339: Introduce an Entity Reference Resolver/Serializer that can be used in URL parsing/generation

XWIKI-13338: Add ability to override the character symbols used to represent an Entity Reference as a string
* Fix more tests

XRENDERING-446: Provide original cause of error in Macro error message even when there's no nested exception
* Fix tests

XWIKI-13338: Add ability to override the character symbols used to represent an Entity Reference as a string
* Yet another case of using a component as a POJO, bad....

XRENDERING-446: Provide original cause of error in Macro error message even when there's no nested exception
* Fix tests

XWIKI-13338: Add ability to override the character symbols used to represent an Entity Reference as a string
* Fix more tests

XWIKI-13342: entityReference.js resolver doesn't work correctly when the base reference has multiple spaces
* Take all the components with the missing reference type from the base reference.

XRENDERING-446: Provide original cause of error in Macro error message even when there's no nested exception
* Fix tests

XWIKI-13338: Add ability to override the character symbols used to represent an Entity Reference as a string
* Fix some use cases using RelativeStringEntityReferenceResolver as a POJO instead of a component (we'll need to fix this to allow overiding DefaultScheme)

XWIKI-13338: Add ability to override the character symbols used to represent an Entity Reference as a string
* Fix some use cases using LocalStringEntityReferenceSerializer as a POJO instead of a component (we'll need to fix this to allow overiding DefaultScheme)

XWIKI-13338: Add ability to override the character symbols used to represent an Entity Reference as a string
* Fix tests missing the DefaultSymbolScheme component registration

XWIKI-13338: Add ability to override the character symbols used to represent an Entity Reference as a string
* Fix some use cases using LocalStringEntityReferenceSerializer as a POJO instead of a component (we'll need to fix this to allow overiding DefaultScheme)

XWIKI-13338: Add ability to override the character symbols used to represent an Entity Reference as a string
* Fix some use cases using DefaultStringEntityReferenceSerializer as a POJO instead of a component (we'll need to fix this to allow overiding DefaultScheme)
* Added some classes forgotten in the previous commit

XWIKI-13338: Add ability to override the character symbols used to represent an Entity Reference as a string

- Removed the manual includes since the sheet displayer take care of that now.
- Also removed the code that was determining the syntax of the user's profile document since that is no longer needed now and the default is used instead.

[Misc] Move test to Mockito. BTW I don't understand why the test is using a resolver instead of creating references directly...

XWIKI-13171  Use translation key as default gadget title in gadget creation wizard 

* use Java 7 compatible code

XWIKI-13327: Uninstalling a XAR extension should not propose to delete pages that is also owned by another installed extension

XWIKI-13277: Add Rename operation Page Object & Tests

- Making sure that there is always a hidden 'tocreate' parameter that either preserves the value coming from the URL or the value that was determined from the first request (to properly handle deprecated parameters)
-- For advanced users this was handled by the checkbox.

[Misc] improve functional test