clean up changes to try scheduler
Merge branch '8/trysched-cleanup' of git://github.com/djmitche/buildbot (PR #1027)
Add a BufferLogObserver and use it in SetPropertyFromCommand
Merge branch '8/bufferedlogobserver' of git://github.com/djmitche/buildbot
support pylint-1.1.0
tweak relnotes
Merge branch 'master' into nine

Conflicts:
	master/buildbot/process/logobserver.py
	master/buildbot/steps/shell.py