Merge pull request #21 from malenkiki/master

Greek transformed to ASCII
Updated README for upcoming v0.5 release.
Add missing $separator parameter to interface
Updated changelog and installation instructions
Added PHP 5.6 and HHVM to Travis config
Updated README
Fixed typo in README
Added Esperanto special chars

Use the X-system to note some characters used into Esperanto
(http://en.wikipedia.org/wiki/Esperanto_orthography#X-system)
Merge pull request #22 from malenkiki/develop

Added Esperanto special chars
Started reoganization of rules list, updated README
Added Symfony2 bundle
Fix syntax for PHP 5.3
Fixed PHPDoc
Update README with information about bundle
Merge pull request #23 from cocur/bundle

Add Symfony2 service
Added Twig extension
Merge pull request #24 from cocur/twig

Added Twig extension
Renamed Bridge\Bundle -> Bridge\Symfony
Added Silex service provider.
Updated README with Silex integration