Update composer.json
fix handling of empty content
use serializer 1.0.*
composer mess :(
fixed serializer bundle dep
Add @return to View::create
fixed deprecation error about addCollection
using spaces instead of tabs for the indentation
fixing travis setup
Merge remote-tracking branch 'simonchrz/master' into travis

* simonchrz/master:
  using spaces instead of tabs for the indentation
  fixed deprecation error about addCollection
disable 2.3 ak dev-master because of SensioFrameworkExtraBundle
Merge pull request #393 from FriendsOfSymfony/travis

fixing travis setup
droped 2.0 support
updated branch alias
changed all RuntimeException to HttpException with a bad request (aka 400) error code
Merge pull request #397 from FriendsOfSymfony/param_fetcher_status_codes

changed all RuntimeException to HttpException with a bad request status code
fixed docs about custom view handler
Merge pull request #401 from borisguery/docfixes

fixed docs about custom view handler
Update composer.json to use jms/serializer-bundler 0.12
Fix method prototype to be compatible with new API