XWIKI-9838 Do not show "forgot password" link on login page, if the "forgot password" page is not accessible
Merge pull request #251 from ClemensRobbenhaar/XWIKI-9838

XWIKI-9838: Do not show "forgot password" link on login page, if not accessible
[misc] Move abstract class in right package
XWIKI-9842: Add new Document.getLocale() API
XWIKI-9843: Failure to save translations for legacy languages using REST
XWIKI-9842: Add new Document.getLocale() API
* Deprecate Document.getLanguage()
Fix typo
Fix typos
XWIKI-9844: Pass confluence content as it is when target does not support rendering events
[Misc] Fix javadoc style
[Misc] Fix javadoc
XWIKI-9843: Failure to save translations for legacy languages using REST
* Fix regression introduced by yesterday's commit, we need to handle invalid languages
XWIKI-9845: WikiStream XAR input fail to parse StaticListClass object property
XWIKI-9571: The $xwiki.statsService.getActionStatistics (ActivityData Page) is not returning any value on Oracle
XWIKI-9845: WikiStream XAR input fail to parse StaticListClass object property
* remove useless converter
* add tests
XWIKI-9845: WikiStream XAR input fail to parse StaticListClass object property
* add comment
XWIKI-9845: WikiStream XAR input fail to parse StaticListClass object property
* fix test
[misc] Improve documentation
XWIKI-9846: Unable to delete or rename page in subwiki using PostgreSQL
XWIKI-9848: Importing a document fail when an object property does not have corresponding class property