Merge branch 'release/1.7.1' into develop
[FEATURE] Join command now enforces a list of valid direction attribute values.
Merge pull request #124 from adhearsion/feature/join_dir_enforce

[FEATURE] Join command now enforces a list of valid direction attribute values.
[FEATURE] Added support for the direction attribute to the Record component.
Merge pull request #123 from adhearsion/feature/record_direction

[FEATURE] Added support for the direction attribute to the Record component
[CS] Build on more Ruby versions
[UPDATE] Bump minimum Celluloid and Nokogiri dependencies
[BUGFIX] Pass SSML documents through a serialisation step for safety
Revert "[BUGFIX] Pass SSML documents through a serialisation step for safety"

This reverts commit 925e0fcc767652318a8b40f0d719ba1c979a680c.
Fixed bug that prevents record from being called twice
A test for sending two records and two stoprecords
[FEATURE] Record direction support on FreeSWITCH
Merge branch 'refs/heads/develop' into feature/multi_ruby
[CS] Add rb-fsevent for easier test runs with Guard
Merge pull request #125 from JustinAiken/record_again_and_again

Fixed bug that prevents record from being called twice
[CS] More efficient Guard
[CS] Remove Guard gntp notifier
[BUG] Add failing test case for odd answer behavior

In the case that a call on FreeSWITCH executes a component *before* the call is answered, when the call is finally answered, the answer command never receives a response.
[BUGFIX] Fixed answering during early media on FS.
[CS] Remove old Tropo nonsense