Merge branch 'release/1.3.0' into develop
Update lib/ruby_ami/action.rb

Discussion about ConfBridge causal event commands with BKLang.  
Added "confbridgelist confbridgelistrooms" at line 7.
Merge pull request #14 from MichelV69/patch-1

Add support for causal event types: confbridgelist confbridgelistrooms
[DOC] Changelog entry
[BUGFIX] Loosen celluloid dependency
[BUGFIX] Travis appears to come with Ragel now
[CS] Whitespace
[CS] A rubinius bug is now fixed

https://github.com/rubinius/rubinius/issues/2127
[UPDATE] Bump to 1.3.1
Merge branch 'release/1.3.1'