PIM-2185: Temporary commit
PIM-2185: Define other export mass action for product datagrid
PIM-2185: Add TODO to precise what is missing
PIM-2185: Remove useless parameters from datagrid.yml
PIM-2185: Remove wrong mass action
PIM-2194: Move dispatcher in quick export callback
PIM-2185: Remove useless code from ExportMassActionHandler
PIM-2186: Move query builder in handler
PIM-2195: Update query in export handler
PIM-2195: Clean export mass action handler
PIM-2202: Clean Export controller creating methdos
PIM-2202: Create Flexible controller for mass export action
PIM-2202: Define routes for Flexible export
PIM-2202: Clean controllers
PIM-2202: Add TODOs to clean controllers
Merge branch 'master' into PIM-2185

Conflicts:
	src/Pim/Bundle/DataGridBundle/Controller/ExportController.php
PIM-2202: Clean export controllers
PIM-2202: Clean controllers to get context, format, contentType
PIM-2202: Clean ExportController
PIM-2204: Clean method to get format and content type