Per-project show SCIO commit used

Currently we show the current SCIO commit deployed for the instance (with the SCIO and SCTK versions), but we also show old SCIO projects which were started on different states of SCIO, and sometimes even in the same project, we can have different pipeline runs which were started on different states of the SCIO instance (i.e. different commits deployed in the SCIO instance).
We should ideally:
- include the SCIO commit used in the pipeline log

And also as enhancements we can (but these would be too much maybe?):
- have some warning/note text in the pipeline log UI which indicates that these pipelines were run on different commits than the current one
- have commit hashes for each pipeline displayed in the UI (and maybe have links to github diffs to see the exact changes in SCIO for these?)

This would be helpful because we can look at the exact changes in SCIO between two projects/pipeline runs from the exact SCIO commits used to run the pipeline and would help debug bugs/issues.

What do you think @pombredanne @tdruez