Add a "VAT-free" Amount on Customer Orders
Add a column "Amount with VAT" on Customers Orders
Added subtotal to Customer Orders List
Added amount w/o VAT row
Added amount w/o VAT row
Added turnover w/o VAT in statistics
Added turnover by products and services page
Added empty fields in the ReportPeriod of Order List

Report Eriod shows now empty fields.
Added a swap mode: if the start date  < end date, dates swap.
Period start should be at 00:00
Made period work as expected
Added total

Also made period search work with pages
Prettified code
Added comparative price from other entites

Selling price of items, from other entities appears now next to the selling price
Added natural search to products
Added informative price & stock from other entities to line creation
Fixed small whitespace errors
Loaded lang file for menu
Cleaned rebase
Fixed wrong API use
Fixed presentation