XWIKI-9673: Main wiki descriptor page XWiki.XWikiServerXwiki is missing after Wiki Manager installation.
Merge branch 'master' into XWIKI-9673
XWIKI-9673: Main wiki descriptor page XWiki.XWikiServerXwiki is missing after Wiki Manager installation.

* Fix HTML violation
XWIKI-9673: Main wiki descriptor page XWiki.XWikiServerXwiki is missing after Wiki Manager installation.

* Fix HTML violation
XWIKI-9826: Fix a regression in hasAccessLevel() check
XWIKI-9838 Do not show "forgot password" link on login page, if the "forgot password" page is not accessible

 * fix typo which caused the links never to be shown
XWIKI-9830: XAROutputWikiStream: attachments are truncated after 4096 bytes

 * buffer size is now a multiple of three, avoiding the issue
Merge pull request #252 from gdelhumeau/XWIKI-9673

XWIKI-9673: Main wiki descriptor page XWiki.XWikiServerXwiki is missing after Wiki Manager installation
* Fix HTML validation issues
Merge remote-tracking branch 'origin/XWIKI-9670-2' into XWIKI-9670-2
XWIKI-9670: Rewrite wikimanager REST API based on new wiki APIs.
XWIKI-9692: Write integration tests for xwiki-platform-wiki.