multiple download using contextual menus
fix last commit
close files before using them
bulk mark as sent on context_menu
use bulk_download permission when disabling download links
allow to mark invoices as new, sent and closed
Merge branch 'master' into context_menu
configure export formats in config/formats.yml, like export channels
fix margin left
add context_menu on received invoices
remove mark_as_received from context_menu
always show download link active
fix bug in can_be_exported method
add bulk_send to invoices context menu
Merge branch 'master' into context_menu
Merge branch 'master' into context_menu

Conflicts:
	app/controllers/invoices_controller.rb
remove download_new_invoices, it can be done with contextual menu now
DiscountReason must be filled to validate as facturae, closes #4044
DiscountReason disappears with a space, use a dot, closes #4044
fix by_taxcode_and_num route