Merge branch 'hotfix/float_attributes' into develop
[BUGFIX] Ensure we process AGI responses and send a ref before processing any complete events
[BUGFIX] Actors can't make SyncCalls after terminating

* Was causing the check for hangup behaviour on ASYNCAGI BREAK to silently fail
* Was being hidden by mocking out the SyncCall to the Call actor
* Requires the ability to send component complete events without terminating
[DOC] Changelog entries
[CS] Remove check for UniMRCP SYNTHSTATUS

It was causing false failure. See https://github.com/adhearsion/adhearsion/issues/211
[UPDATE] Bump to 1.9.0
Merge branch 'release/1.9.0' into develop
Merge branch 'develop' into feature/new_rayo

Conflicts:
	CHANGELOG.md
	lib/punchblock/translator/asterisk/component/output.rb
	lib/punchblock/version.rb
	spec/punchblock/translator/asterisk/component/output_spec.rb