Added loan
Merge branch 'ux' into parser

Conflicts:
	test/fabricators/loan_fabricator.rb
	test/models/loan_test.rb
Merge branch 'ux' into parser
Added loan to parser
Fixed payment attributes
Fixed attributes names
Merge branch 'parser' into ux

Conflicts:
	app/models/concerns/payments/calculations.rb
	test/fabricators/product_fabricator.rb
	test/models/product_test.rb