reorganize folders
added FileManagerInterface and TransUnitManagerInterface
set all classes as parameter
remove FileManager::getFileRepository() method
remove TransUnit::getTransUnitRepository() method
fix class name
remove abstract methods
introduce Storage classes to query the database
fix service name
fix methods parameters
fix updateAction() and add missing method in storage classes
added method getModelClass()
fix controller
added missing method
fix FileImporter
updated tests according to changes
update documentation
update readme
Merge pull request #14 from lexik/global_refractoring

Global refactoring