XWIKI-9670: Rewrite wikimanager REST API based on new wiki APIs.
XWIKI-9692: Write integration tests for xwiki-platform-wiki.
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.
Merge pull request #253 from gdelhumeau/XWIKI-9670-2

XWIKI-9670: Rewrite wikimanager REST API based on new wiki APIs.
XWIKI-9692: Write integration tests for xwiki-platform-wiki.