make data-submit-onchange work with datepicker
add view for all transactions + csv

Conflicts:
	app/controllers/finance/financial_transactions_controller.rb
	app/views/finance/financial_transactions/index.html.haml
	app/views/finance/ordergroups/index.html.haml
add financial transactions approved filter
bundle update (rails CVEs)
fix signup with key (complements fd6432e65cc84ce84179cd09eb3bfe0ab7498f8d)
skip order finished mails (temporary hack!)
use locale in mails
make csv export more compatible with Microsoft Excel

Conflicts:
	lib/order_csv.rb
make financial transactions csv export more compatible with Microsoft Excel
fix financial transactions export count
show proper error when all articles are deselected in order edit