Merge branch 'release/1.1.1' into develop
[CS] No longer test on 1.9.2, and allow failure on rbx
[BUGFIX] Get specs passing on new PB/ahn
[BUGFIX] Raise `Adhearsion::Hangup` to terminate controller execution when the call actor is dead
[FEATURE] Allow setting `:mode` option to `:voice` for ASR menus
[UDPATE] Bump to 1.2.0
We no longer support Ruby 1.9.2
Misc spec fixes
Merge branch 'release/1.2.0'