XWIKI-8841: Add getWikiNames() method to api.XWiki that exposes the previously private XWiki.getVirtualWikisDatabaseNames()
* Update copy.vm template.
Remove the @Deprecated annotation from the plugin API because we don't have a script service for Lucene. Also, the @Deprecated annotation generates warning messages in the console which breaks the webstandards build.
Remove the @Deprecated annotation from the plugin API because we don't have a script service for FileUpload yet. Also, the @Deprecated annotation generates warning messages in the console which breaks the webstandards build.
Fix deprecated call.