Updated the composer.json

- Added the branch alias for the master branch
- Fixed the minimum requirement for FrameworkBundle as 2.0 should use the older branch
- Changed the Pagerfanta constraint to a range to allow stable versions for future releases
Merge pull request #55 from stof/patch-1

Updated the composer.json
Use PropertyPath from new PropertyAccess component

Remove deprecated calls in symfony 2.2
zh_CN translations
Merge pull request #58 from modi/translation

zh_CN translations
Create pagerfanta.it.xliff
Merge pull request #59 from iAndre89/master

Adding italian
Bumped Symfony2 requirement to 2.2 for master.
Merge pull request #57 from LouTerrailloune/patch-1

Use PropertyPath from new PropertyAccess component
Update composer.json
Fix routeParams when no params