add model based loader and dumper for Translation
Merge pull request #253 from havvg/feature/model-translation

add model based loader and dumper for Translation
Update BuildCommand.php

Pas verbose option for sub commands.
Merge pull request #254 from zebraf1/patch-1

Update BuildCommand.php
Fix previous commit
add conflict with SensioFrameworkExtraBundle >=2.4
Merge pull request #261 from havvg/1.2

add conflict with SensioFrameworkExtraBundle >=2.4