Fixing neighbors hell
[backport] Fix limit case for non existant neighbors
User story points are undefined if the task points are undefined
Added thead and tbody to allowed tags on mdrender service
Changed how external reference is obtained
Add tests to bug #1553 resolution
Merge pull request #157 from taigaio/external-references-change

Changed how external reference is obtained
Merge pull request #156 from taigaio/bug/1552/us-points-undefined-when-tasks-points-are-undefined

User story points are undefined if the task points are undefined
Merge pull request #158 from taigaio/issue/1630/thead-tbody-on-markdown

Added thead and tbody to allowed tags on mdrender service
Re-do github login
Merge pull request #159 from taigaio/redo/github-login

Re-do github login
Updating changelog
Merge branch 'master' into stable
Fixing error 500 when using duplicated names for project points