Fix phpcs
PIM-1544 : Add getter for query
PIM-1544 : Use getQuery and throw exception if not exists
PIM-1544 : Define Simple ORM reader for basic entities
PIM-1544 : Clean code renaming variables
PIM-1544 : Refactoring for ORM readers
PIM-1544 : Change connectors using SimpleORMReader
PIM-1544 : Remove useless readers
PIM-1544 : Move ORM readers to ORM sub-directory
PIM-1544 : Move file readers to File sub-directory
PIM-1544 : Move file readers to file sub-directory
PIM-1544 : Remove ORM from filenames
PIM-1544 : Change Orm by ORM in file naming
PIM-1544 : Rename and move UT for reader files renamed
PIM-1544 : Fix UT
Merge pull request #466 from akeneo/PIM-1544

[WIP] PIM-1544 : Refactoring on ImportExportBundle