Merge branch 'release/1.1.0' into develop
[BUG] Add failing test cases for repeats followed by other elements
[CS] Move matching from the grammar model into a Method Object

Separates responsibility for evaluating a match to a grammar from the grammar itself
[BUGFIX] Fix failing specs on item repeats

Fix #7

* Use a C or Java extension
* Kill a lot of yucky, poorly performing and error prone code
Merge branch 'feature/reliable_dtmf_matcher' into develop
[CS] Notify builds in #adhearsion
[CS] CI build on ruby 2.0.0
[CS] Get gems via HTTPS
[BUGFIX] Comply with MRCPv2 flavour of NLSML

* Confidence is now a float in the XML representation
* Models are no longer used
* XForms no longer used
* Now have a true namespace
* Instance is in the NLSML namespace
* Must support string instances
[DOC] Changelog entries
[CS] Remove mocha dependency

We don't actually do any mocking at all
[CS] Remove dependency on i18n

Wasn't being used
[DOC] Ruby should be capitalised
[DOC] Fix Changelog sub-list formatting
[CS] Removed some unnecessary code
[FEATURE] Handle NLSML text instances by returning a String
[BUGFIX] Add namespace to NLSML documents which don't have a namespace
[UPDATE] Bump to 2.0.0
Merge branch 'release/2.0.0'