combined queue-channel implementations, factored out queue behaviour to eliminate considerations of goroutines
WIP; RUW no longer embedded in liveSource, otherwise functional
rearrange further, add some tests
pull many many commits from master
Merge branch 'master' of https://github.com/juju/juju into hook-queue-2
update imports
add direct tests for relation HookSources
add direct tests for relation HookSources (including new files :/)
fix docstrings
more docstrings
test less panicky on failure
Added api client
moved ClearReboot
Added test for ClearReboot
merge parent
address review
tls.Config clients should use a meaningful ServerName
This also fixes an issue with the rsyslog tls.Config not using a ServerName at all.
Implemented firewall-mode: none; fixed firewaller tests
provider/maas: implement zone distribution/placement support
provider/maas: add tests for AZs