Apply publish/subscribe for OrderArticle#update
Allow to edit OrderArticle in Order#receive form
Correct haml comment from '#' to '-#'
Free order_article resource from finance namespace; also unlock for role_orders
Clean up OrderArticle#new form and related stuff
Offer _undeleted_ StockArticles for new OrderArticle only
Apply publish/subscribe for OrderArticle#create
Use OrderArticle#create in receive form instead of Order#add_article
Revert some changes of 20adce8a4e2d32548e7d7016dace250dd3e2eb9b
Do not set quantity of newly created OrderArticles to 1
Change comment according to 9d61e2e61569159489098eda1bd6c30d7322ce76
ui design update
Add result_computed to GroupOrderArticle
Readonly receive input if GroupOrderArticle result has manually been changed

Conflicts:
	app/helpers/orders_helper.rb
	app/views/orders/_edit_amount.html.haml
Set readonly property with javascript by .prop instead of .attr
Fix calculation of OrderArticle.total_price and .total_gross_price
Merge price columns in receive form into one

Conflicts:
	app/views/orders/_edit_amount.html.haml
show correct price
fix unit quantity display after ajax update
use disabled property for input and fix style