first part of producer listing
add association producer list
prepare query to get the export informations about producer transfer
prepare query to get the export informations about producer transfer
updated association producers list and edition form
added association producer transfer excel export
add commission on cart confirm
association producer transfer excel export
Merge branch 'feature-admin-association-producer' of github.com:isics/OpenMiamMiam into feature-admin-association-producer
add style for excel export
review correction
fix after review
Merge branch 'feature-admin-association-producer' of github.com:isics/OpenMiamMiam into feature-admin-association-producer

Conflicts:
	src/Isics/Bundle/OpenMiamMiamBundle/Resources/translations/messages.fr.yml
fix after review
fix bug in association producer edition form (paramConverter)
Designed export select in producer association's admin
use of association defaultCommission if commission for association / producer is null
Added current month in select options in producer association's admin
Merge branch 'feature-admin-association-producer' of github.com:isics/OpenMiamMiam into feature-admin-association-producer

Conflicts:
	src/Isics/Bundle/OpenMiamMiamBundle/Resources/translations/messages.fr.yml
Centered th in producer association's admin