acu76466 - Pick up right_agent fix to Sender when send fails
Merge pull request #144 from rightscale/teal_13_2_acu76466_sender_retry_when_broker_down

acu76466 - Pick up right_agent fix to Sender when send fails
acu78361 squelch thunker output if chowning TTY fails; it's not worth messing up noninteractive sessions
Merge remote branch 'origin/teal_13_03_acu78361_thunker_fix'

Conflicts:
	Gemfile.lock
	spec/scripts/thunker_spec.rb