acu157027 - Add HTTP communication check to InstanceState
acu157027 - Make deploy work for both HTTP and AMQP mode
acu157027 - Refine communication mode handling
acu157027 - Pick up eventmachine v1.0.0.6, rest-client v1.7.0.1, right_agent v2.0.8, and chef v11.6.0.5
Merge branch 'cornsilk_14_5_acu157027_http_right_link_fix'

Conflicts:
	Gemfile
	Gemfile.lock
Merge pull request #337 from rightscale/ivory_14_04_acu157387_missing_inputs_nil

acu157387 fix missing_inputs returning nil for empty result set
Merge branch 'master' into v6.0