Important: when build status is null and we need a label, use Unknown for it
[x] table columns like in the design: Tree - Branch - Commit/Tag (show for HEAD) - Date (for the HEAD commit) - Build Status - Boot Status - Test Status
[x] #11
[x] Build status and Test status could use colors like we do in the legacy system Pass (green) /Unknown (grey) /Fail (red).
Important: when build status is null and we need a label, use Unknown for it
obs1: Tree is identified by URL+branch