to_adjustable? should validate if TO is present
response is ordered by responsed_at ASC
change user message for one in waitting
edit notice error fixed
Merge branch 'release/2014.10.17' of https://github.com/DonutWorks/Ari into release/2014.10.17
add config time & to notice constraint
Merge branch 'release/2014.10.17' of https://github.com/DonutWorks/Ari into release/2014.10.17