jabba: upgrade from shyiko/0.11.2 to Jabba-Team/0.12.0

[nicerloop]

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The maintenance has moved to github.com/Jabba-Team/jabba, and 0.12.0 has been released.
Removed glide (already done on old HEAD) and adjusted test (required with new DiscoAPI versioning scheme)

[BrewTestBot]

🤖 A scheduled task has triggered a merge.