Support Symfony 2.3
updating test according to new changes regarding Symfony 2.3
updating test according to new changes regarding Symfony 2.3
updating test according to new changes regarding Symfony 2.3

enhance test readability
updating test according to new changes regarding Symfony 2.3

add php 5.5 and sf2.3 to travis build matrix
updating test according to new changes regarding Symfony 2.3
support php 5.5
Merge pull request #35 from tiger-seo/2.0.x

Support of Symfony 2.3