new release

https://confluence.atlassian.com/doc/confluence-5-0-release-notes-302809551.html https://confluence.atlassian.com/doc/confluence-6-0-release-notes-844235309.html#Confluence6.0ReleaseNotes-6-0-2 https://confluence.atlassian.com/doc/confluence-7-0-release-notes-973479448.html