Upcoming CI changes - service disruption

[Ben Cooksley]

Hi all,

In order to allow for two replacement physical build hosts to be
rotated in and the old ones to be decommissioned, i'm scheduling some
downtime for both the CI system and the Binary Factory tomorrow.

Assuming all goes well, this downtime should be fairly short. During
the downtime Jenkins will still be accessible, however builds will not
trigger on push as they usually do. The system will perform these
builds once the changeover is completed.

To help us detect issues with the changeover, it would be appreciated
if everyone could make sure their builds, particularly on FreeBSD and
Windows are successful prior to the switch.

At this time the following projects appear to have builds which have
regressed on these platforms:
- KItinerary
- Plasma Vault
- Amarok

Thanks,
Ben