Merge sirius

added 47 commits

• 49e43247...385b0fc7 - 39 commits from branch master
• 43976c38 - Add sirius cluster.
• 95afb915 - Don't raise error when disk model is 'unknown'
• ab4387d7 - [sirius] Add missing properties.
• bd009c0b - [sirius] Add disks.
• 761115a8 - [import_g5kchecks] Sort more infiniband interfaces.
• 8298368b - [sirius] Add new disk model.
• cdfbeea8 - [sirius] Add new infiniband interfaces to sorting method.
• 05bfa49d - [sirius] Added information of g5k-checks.

Compare with previous version

enabled an automatic merge when the pipeline for 05bfa49d succeeds

merged

mentioned in commit f1218c5c