Merge pull request #35 from stloyd/feature/interfaces

Fix interfaces phpdocs
Merge pull request #29 from stloyd/feature/interfaces

Introduce two new interfaces to reduce problems with name conflicts
Merge branch 'master' of github.com:Sylius/Sylius
Fix backend products feature file and update vendors
Tweak travis script
Install mongo php ext without pecl
Make templates path configurable
Update branch alias
Update README.md
CS fixes, fix typo in filename
Fix composer.json
Bump branch alias
Tweak readme
Update composer.json
Move CoreBundle and WebBundle here, stick to Symfony SE conventions
Fix composer.json
Fix path to dist parameters file
Fix deploy path in Capfile
Update readme instructions
Fix translation message