[Twisted-Python] Buildbot downtime

[Tom Prince]

I am plannig to upgrade twisted's buildbot in the near future. In
preperation for that, I am going to take down the production buildbot
on Tuesday, June 26, around 1600 UTC[1].

During that time, the result of any builds done will be lost. Thus, I'd
ask that people avoid committing to trunk during that time.

I will send a reminder before I take down the buildbot both here, and on
#twisted and #twisted-dev.

  Tom

[1] http://timeanddate.com/worldclock/meetingtime.html?iso=20120626&p1=80&p2=224&p3=43