Display `branch`/`version`

[xavierchow]

Developers sometimes deploy a new feature branch and override the other's deployment unexpectedly, it would be very helpful to display the branch name / version / commit for each service.

@xuqingfeng @zbal

[xuqingfeng]

@xavierchow branch/version is there in the Logs.

I was thinking if we can add some customization in the UI. e.g. add project name/customer in the header, so different pipelines won't look the same ...