filter out cancelled orders from the reports
test for cancelled orders in order and distributor report
remove report tests (will test scope not_state instead)
WIP: start writing order scope test
WIP: writing order scope test
Merge branch 'master' into reports-completed-only

Conflicts:
	app/controllers/spree/admin/reports_controller_decorator.rb
New scope Order.not_state to filter out cancelled orders from reports