User story points are undefined if the task points are undefined
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
Re-do github login